feat: add ml kem demo

from: https://crates.io/crates/quick-js

.gitignore

@@ -1,14 +1,17 @@
+.idea/
 # ---> Rust
 # Generated by Cargo
 # will have compiled files and executables
 target/
-
+99.htm
-# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
-# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
-Cargo.lock
-
 wasm/pkg/
+code.zip
+linux_target/
 node_modules/
+*.o
+*.so
+pluginlibs
+
 
 # These are backup files generated by rustfmt
 **/*.rs.bk

README.md

@@ -1,3 +1,319 @@
 # simple-rust-tests
 
 Simple Rust Tests
+
+Project or files:
+```
+.
+├── __alloc
+│   └── zeroizing-alloc-demo
+├── __args
+│   ├── argh-test
+│   ├── clap-test
+│   └── clap-test-2
+├── __bin
+│   ├── goblin
+│   └── object-demo
+├── __compress
+│   └── zstd-demo
+├── __concurrent
+│   ├── arc-swap
+│   ├── async_study
+│   ├── async-fn-resumed-after-completion
+│   ├── crossbeam_n_parking_lot
+│   ├── glommio
+│   ├── green-threads
+│   ├── qcell
+│   ├── rayon
+│   └── waitgroup-demo
+├── __cpu
+│   └── x86
+├── __crypto
+│   ├── aegis-test
+│   ├── aes_ctr_test
+│   ├── aes_gcm_crypto
+│   ├── asn1-der-test
+│   ├── bc1-btc-address
+│   ├── btc-address
+│   ├── crypto
+│   ├── crypto2-demo
+│   ├── curve25519
+│   ├── efficient_sm2
+│   ├── eth-address
+│   ├── highwayhash
+│   ├── hmac_sha1
+│   ├── jose-test
+│   ├── jsonwebtoken
+│   ├── liboqs-rust-demo
+│   ├── ml-kem-demo
+│   ├── okta-bcrypt-issue
+│   ├── orion-demo
+│   ├── passkey-rs-demo
+│   ├── password-hash
+│   ├── pkcs8
+│   ├── pwhash
+│   ├── random
+│   ├── ring
+│   ├── rpgp-demo
+│   ├── rsa
+│   ├── secp256k1
+│   ├── secretshare
+│   ├── shamir-demo
+│   ├── simple_contract
+│   ├── ssh-keys
+│   ├── totp
+│   └── yubikey-rs-demo
+├── __database
+│   ├── barrel
+│   ├── bonsaidb
+│   ├── diesel
+│   ├── duckdb-demo
+│   ├── gluesql
+│   ├── mysqlsvr
+│   ├── native_db-demo
+│   ├── persy
+│   ├── rocksdb
+│   ├── rusqlite
+│   ├── sled
+│   ├── sqlite_extersion
+│   ├── sqlparser
+│   └── sqlx
+├── __diff
+│   ├── diffy
+│   ├── prettydiff
+├── __enclave
+│   └── virt_enclave
+├── __err
+│   ├── err_derive
+│   ├── quick_error
+│   └── thiserror_anyhow
+├── __external
+│   └── vcard-qr
+├── __ffi
+│   ├── abi_stable_crates
+│   ├── c
+│   ├── c_export
+│   ├── c_layout
+│   ├── c2
+│   ├── calltoc
+│   ├── cpp
+│   ├── dotalib
+│   ├── jni
+│   ├── live-reload-rust
+│   ├── robusta_jni
+│   └── rust_link_a
+├── __fs
+│   ├── crypt4ghfs-rust
+│   ├── fuse
+│   ├── fuser
+├── __gui
+│   ├── druid
+│   ├── gtk
+│   ├── native-dialog
+│   ├── orbtk
+│   ├── sciter
+│   └── winit
+├── __hid
+│   └── yubikey_rs
+├── __image
+│   ├── plotters
+│   └── svg
+├── __internal
+│   └── memory
+├── __lang
+│   ├── boa
+│   ├── java
+│   ├── monkey-rs
+│   ├── peg
+│   ├── pest
+│   ├── quickjs
+│   ├── rusty_jsc
+│   └── sana
+├── __linux
+│   ├── ipipe
+│   ├── nix-demo
+│   ├── notify
+│   ├── psutil
+│   ├── sysinfo
+│   └── unixsocket
+├── __log
+│   ├── fern
+│   └── log4rs
+├── __machinelearning
+│   └── rusty-machine
+├── __misc
+│   ├── better_panic
+│   ├── bytes
+│   ├── daemonize-demo
+│   ├── erasure-coding
+│   ├── fancy-regex
+│   ├── fastqr
+│   ├── human_panic
+│   ├── icalendar
+│   ├── lazy_static
+│   ├── libmacchina
+│   ├── num_cpus
+│   ├── obfstr
+│   ├── reed-solomon
+│   ├── regex
+│   ├── shadowrs
+│   ├── smartstring
+│   ├── uint
+│   └── walkdir
+├── __network
+│   ├── async-speed-limit
+│   ├── axum-demo
+│   ├── dingo
+│   ├── dns-server-tutorial
+│   ├── fetch-rs
+│   ├── fuso-socks5-test
+│   ├── html-crawl-parse
+│   ├── ip
+│   ├── ipnet-demo
+│   ├── iptables
+│   ├── kcp-test
+│   ├── mailsend
+│   ├── message_io
+│   ├── n_pcap
+│   ├── nfqueue
+│   ├── ngrok-demo
+│   ├── pcap
+│   ├── pingora-demo
+│   ├── quinn
+│   ├── rust_tcp
+│   ├── rust-rawsock-demo
+│   ├── s2n_quic
+│   ├── socket2
+│   ├── tcp
+│   ├── tcp-connect-reset
+│   ├── tokio-kcp-demo
+│   ├── tuntapmac
+│   ├── udp_laminar
+│   └── ureq
+├── __performance
+│   └── print_perf
+├── __regex
+│   └── hyperscan
+├── __rpc
+│   └── dubbo-rust
+├── __rule
+│   └── json-rules-engine
+├── __search
+│   ├── simsearch
+│   └── tantivy
+├── __security
+│   ├── keychain-services
+│   ├── keyring-demo
+│   ├── seckey
+│   ├── secmem-proc
+│   ├── secrets
+│   ├── security-framework
+│   └── sensitive
+├── __serialization
+│   ├── bytes
+│   ├── cbor
+│   ├── configrs
+│   ├── csv
+│   ├── der_parser_test
+│   ├── encoding
+│   ├── flatbuffers
+│   ├── gob
+│   ├── hjson
+│   ├── no_proto
+│   ├── prost
+│   └── serde_json
+├── __shell
+│   ├── ssh2
+│   ├── sshrs
+│   └── xshell
+├── __shuttle
+│   ├── hatter-test
+├── __std
+│   ├── async_await
+│   ├── async-fn
+│   ├── into
+│   ├── iter
+│   ├── misc
+│   ├── ops
+│   ├── pi
+│   ├── thread
+│   └── tokio-cpu-affinity
+├── __template
+│   ├── askama
+│   └── handlebars-rust
+├── __term
+│   ├── bunt
+│   ├── colored_msg
+│   ├── comfy_table
+│   ├── cursive-demo
+│   ├── dialoguer-demo
+│   ├── indicatif
+│   ├── prettyprint
+│   ├── rustyline
+│   ├── structopt
+│   ├── tabled
+│   ├── term
+│   └── tui-markup-demo
+├── __time
+│   ├── chrono
+│   ├── humantime-demo
+│   └── iron
+├── __translate
+│   └── retranslate
+├── __wasm
+│   ├── deno_rust_wasm_import_functions
+│   ├── deno_rust_wasm_js_sandbox
+│   ├── deno_rust_wasm_qr_decode
+│   ├── extism
+│   ├── js-wasm
+│   ├── rust-wasm-plugins-examples
+│   ├── wasi
+│   ├── wasm
+│   ├── wasmtime
+│   ├── wasmtime-serde-demo
+│   └── wit-bindgen-sample
+├── __web
+│   ├── actix_rustls
+│   ├── actix-web
+│   ├── alibabacloundfn
+│   ├── hyper_rustls
+│   ├── hyperrs
+│   ├── meter_proxy
+│   ├── pencil
+│   ├── reqwest
+│   ├── rocketrs
+│   ├── rweb
+│   ├── salvo
+│   ├── sincere
+│   ├── tide
+│   └── warp
+├── build_readme.rs -> scripts/build_readme_rs/src/main.rs
+├── README_2.md
+├── scripts
+│   ├── build_readme_rs
+└── single_file_tests
+    ├── 99.rs
+    ├── chain.rs
+    ├── closure.rs
+    ├── core_macro.rs
+    ├── display.rs
+    ├── for.rs
+    ├── format.rs
+    ├── input.rs
+    ├── lifecycle_str.rs
+    ├── list.rs
+    ├── loop.rs
+    ├── make_executable.rs
+    ├── match.rs
+    ├── rc.rs
+    ├── ref_n_and.rs
+    ├── sample.txt
+    ├── slice.rs
+    ├── string.rs
+    ├── time.rs
+    ├── vec.rs
+    └── while.rs
+
+286 directories, 38 files
+```
+

README_2.md

@@ -0,0 +1,9 @@
+GitHubs:
+
+* https://github.com/tafia
+
+Projects:
+
+* https://github.com/tafia/hyper-proxy
+* https://github.com/rusticata/x509-parser
+

README_template.md

@@ -0,0 +1,9 @@
+# simple-rust-tests
+
+Simple Rust Tests
+
+Project or files:
+```
+$$TREE_L2$$
+```
+

__alloc/zeroizing-alloc-demo/Cargo.lock

@@ -0,0 +1,16 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "zeroizing-alloc"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ebff5e6b81c1c7dca2d0bd333b2006da48cb37dbcae5a8da888f31fcb3c19934"
+
+[[package]]
+name = "zeroizing-alloc-demo"
+version = "0.1.0"
+dependencies = [
+ "zeroizing-alloc",
+]

__alloc/zeroizing-alloc-demo/Cargo.toml

@@ -0,0 +1,7 @@
+[package]
+name = "zeroizing-alloc-demo"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+zeroizing-alloc = "0.1.0"

__alloc/zeroizing-alloc-demo/src/main.rs

@@ -0,0 +1,8 @@
+use zeroizing_alloc::ZeroAlloc;
+
+#[global_allocator]
+static ALLOC: ZeroAlloc<std::alloc::System> = ZeroAlloc(std::alloc::System);
+
+fn main() {
+    println!("Hello, world!");
+}

__args/argh-test/Cargo.lock

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__args/argh-test/Cargo.toml

@@ -0,0 +1,7 @@
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+
+[dependencies]
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__args/argh-test/src/main.rs

@@ -0,0 +1,22 @@
+use argh::FromArgs;
+
+#[derive(Debug, FromArgs)]
+/// Reach new heights.
+struct GoUp {
+    /// whether or not to jump
+    #[argh(switch, short = 'j')]
+    jump: bool,
+
+    /// how high to go
+    #[argh(option)]
+    height: usize,
+
+    /// an optional nickname for the pilot
+    #[argh(option)]
+    pilot_nickname: Option<String>,
+}
+
+fn main() {
+    let up: GoUp = argh::from_env();
+    println!("{:#?}", up);
+}

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+ "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc",
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__args/clap-test-2/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "clap-test-2"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+clap = { version = "4.5.42", features = ["derive", "env"] }
+clap-verbosity-flag = "3"

__args/clap-test-2/src/main.rs

@@ -0,0 +1,158 @@
+use clap::Parser;
+
+// https://github.com/fastn-stack/kulfi/blob/main/malai/src/main.rs
+fn main() {
+    let cli = Cli::parse();
+    println!("{:?}", cli);
+}
+
+#[derive(clap::Parser, Debug)]
+#[command(version, about, long_about = None)]
+pub struct Cli {
+    #[command(flatten)]
+    verbose: clap_verbosity_flag::Verbosity,
+
+    #[command(subcommand)]
+    pub command: Option<Command>,
+
+    // adding these two because when we run `cargo tauri dev,` it automatically passes these
+    // arguments. need to figure out why and how to disable that, till then this is a workaround
+    #[arg(default_value = "true", long, hide = true)]
+    no_default_features: bool,
+    #[arg(default_value = "auto", long, hide = true)]
+    color: String,
+}
+
+#[derive(clap::Subcommand, Debug)]
+pub enum Command {
+    // TODO: add this to the docs when we have ACL
+    // By default it allows any peer to connect to the HTTP(s) service. You can pass --what-to-do
+    // argument to specify a What To Do service that can be used to add access control."
+    #[clap(about = "Expose HTTP Service on kulfi, connect using kulfi or browser")]
+    Http {
+        port: u16,
+        #[arg(
+            long,
+            default_value = "127.0.0.1",
+            help = "Host serving the http service."
+        )]
+        host: String,
+        #[arg(
+            long,
+            default_value = "kulfi.site",
+            help = "Use this for the HTTP bridge. To run an HTTP bridge, use `malai http-bridge`",
+            env = "MALAI_HTTP_BRIDGE"
+        )]
+        bridge: String,
+        #[arg(
+            long,
+            help = "Make the exposed service public. Anyone will be able to access."
+        )]
+        public: bool,
+        // #[arg(
+        //     long,
+        //     default_value_t = false,
+        //     help = "Use this if the service is HTTPS"
+        // )]
+        // secure: bool,
+        // #[arg(
+        //     long,
+        //     help = "The What To Do Service that can be used to add access control."
+        // )]
+        // this will be the id52 of the identity server that should be consulted
+        // what_to_do: Option<String>,
+    },
+    #[clap(about = "Browse a kulfi site.")]
+    Browse {
+        #[arg(help = "The Kulfi URL to browse. Should look like kulfi://<id52>/<path>")]
+        url: String,
+    },
+    #[clap(about = "Expose TCP Service on kulfi.")]
+    Tcp {
+        port: u16,
+        #[arg(
+            long,
+            default_value = "127.0.0.1",
+            help = "Host serving the TCP service."
+        )]
+        host: String,
+        #[arg(
+            long,
+            help = "Make the exposed service public. Anyone will be able to access."
+        )]
+        public: bool,
+    },
+    #[clap(
+        about = "Run an http server that forwards requests to the given id52 taken from the HOST header"
+    )]
+    HttpBridge {
+        #[arg(
+            long,
+            short('t'),
+            help = "The id52 to which this bridge will forward incoming HTTP request. By default it forwards to every id52."
+        )]
+        proxy_target: Option<String>,
+        #[arg(
+            long,
+            short('p'),
+            help = "The port on which this bridge will listen for incoming HTTP requests. If you pass 0, it will bind to a random port.",
+            default_value = "0"
+        )]
+        port: u16,
+    },
+    #[clap(about = "Run a TCP server that forwards incoming requests to the given id52.")]
+    TcpBridge {
+        #[arg(help = "The id52 to which this bridge will forward incoming TCP request.")]
+        proxy_target: String,
+        #[arg(
+            help = "The port on which this bridge will listen for incoming TCP requests. If you pass 0, it will bind to a random port.",
+            default_value = "0"
+        )]
+        port: u16,
+    },
+    #[clap(about = "Expose a folder to kulfi network")]
+    Folder {
+        #[arg(help = "The folder to expose.")]
+        path: String,
+        #[arg(
+            long,
+            default_value = "kulfi.site",
+            help = "Use this for the HTTP bridge. To run an HTTP bridge, use `malai http-bridge`",
+            env = "MALAI_HTTP_BRIDGE"
+        )]
+        bridge: String,
+        #[arg(long, help = "Make the folder public. Anyone will be able to access.")]
+        public: bool,
+    },
+    #[clap(about = "Run all the services")]
+    Run {
+        #[arg(long, help = "Malai Home", env = "MALAI_HOME")]
+        home: Option<String>,
+    },
+    #[clap(about = "Run an iroh remote server that handles requests from http-proxy.")]
+    HttpProxyRemote {
+        #[arg(long, help = "Make the proxy public. Anyone will be able to access.")]
+        public: bool,
+    },
+    #[clap(about = "Run a http proxy server that forwards incoming requests to http-proxy-remote.")]
+    HttpProxy {
+        #[arg(help = "The id52 of remote to which this http proxy will forward request to.")]
+        remote: String,
+        #[arg(
+            help = "The port on which this proxy will listen for incoming TCP requests. If you pass 0, it will bind to a random port.",
+            default_value = "0"
+        )]
+        port: u16,
+    },
+    #[clap(about = "Generate a new identity.")]
+    Keygen {
+        #[arg(
+            long,
+            short,
+            num_args=0..=1,
+            //default_missing_value=kulfi_utils::SECRET_KEY_FILE,
+            help = "The file where the private key of the identity will be stored. If not provided, the private key will be printed to stdout."
+        )]
+        file: Option<String>,
+    },
+}

__args/clap-test/Cargo.lock

@@ -0,0 +1,237 @@
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+# It is not intended for manual editing.
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+
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+ "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
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__args/clap-test/Cargo.toml

@@ -0,0 +1,7 @@
+[package]
+name = "clap-test"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+clap = { version = "4.5.23", features = ["derive"] }

__args/clap-test/src/main.rs

@@ -0,0 +1,165 @@
+use std::ffi::OsStr;
+use std::ffi::OsString;
+use std::path::PathBuf;
+
+use clap::{Args, Parser, Subcommand, ValueEnum};
+
+/// A fictional versioning CLI
+#[derive(Debug, Parser)] // requires `derive` feature
+#[command(name = "git")]
+#[command(about = "A fictional versioning CLI", long_about = None)]
+struct Cli {
+    #[command(subcommand)]
+    command: Commands,
+}
+
+#[derive(Debug, Subcommand)]
+enum Commands {
+    /// Clones repos
+    #[command(arg_required_else_help = true)]
+    Clone {
+        /// The remote to clone
+        remote: String,
+    },
+    /// Compare two commits
+    Diff {
+        #[arg(value_name = "COMMIT")]
+        base: Option<OsString>,
+        #[arg(value_name = "COMMIT")]
+        head: Option<OsString>,
+        #[arg(last = true)]
+        path: Option<OsString>,
+        #[arg(
+            long,
+            require_equals = true,
+            value_name = "WHEN",
+            num_args = 0..=1,
+            default_value_t = ColorWhen::Auto,
+            default_missing_value = "always",
+            value_enum
+        )]
+        color: ColorWhen,
+    },
+    /// pushes things
+    #[command(arg_required_else_help = true)]
+    Push {
+        /// The remote to target
+        remote: String,
+    },
+    /// adds things
+    #[command(arg_required_else_help = true)]
+    Add {
+        /// Stuff to add
+        #[arg(required = true)]
+        path: Vec<PathBuf>,
+    },
+    Stash(StashArgs),
+    #[command(external_subcommand)]
+    External(Vec<OsString>),
+}
+
+#[derive(ValueEnum, Copy, Clone, Debug, PartialEq, Eq)]
+enum ColorWhen {
+    Always,
+    Auto,
+    Never,
+}
+
+impl std::fmt::Display for ColorWhen {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        self.to_possible_value()
+            .expect("no values are skipped")
+            .get_name()
+            .fmt(f)
+    }
+}
+
+#[derive(Debug, Args)]
+#[command(args_conflicts_with_subcommands = true)]
+#[command(flatten_help = true)]
+struct StashArgs {
+    #[command(subcommand)]
+    command: Option<StashCommands>,
+
+    #[command(flatten)]
+    push: StashPushArgs,
+}
+
+#[derive(Debug, Subcommand)]
+enum StashCommands {
+    Push(StashPushArgs),
+    Pop { stash: Option<String> },
+    Apply { stash: Option<String> },
+}
+
+#[derive(Debug, Args)]
+struct StashPushArgs {
+    #[arg(short, long)]
+    message: Option<String>,
+}
+
+fn main() {
+    let args = Cli::parse();
+
+    match args.command {
+        Commands::Clone { remote } => {
+            println!("Cloning {remote}");
+        }
+        Commands::Diff {
+            mut base,
+            mut head,
+            mut path,
+            color,
+        } => {
+            if path.is_none() {
+                path = head;
+                head = None;
+                if path.is_none() {
+                    path = base;
+                    base = None;
+                }
+            }
+            let base = base
+                .as_deref()
+                .map(|s| s.to_str().unwrap())
+                .unwrap_or("stage");
+            let head = head
+                .as_deref()
+                .map(|s| s.to_str().unwrap())
+                .unwrap_or("worktree");
+            let path = path.as_deref().unwrap_or_else(|| OsStr::new(""));
+            println!(
+                "Diffing {}..{} {} (color={})",
+                base,
+                head,
+                path.to_string_lossy(),
+                color
+            );
+        }
+        Commands::Push { remote } => {
+            println!("Pushing to {remote}");
+        }
+        Commands::Add { path } => {
+            println!("Adding {path:?}");
+        }
+        Commands::Stash(stash) => {
+            let stash_cmd = stash.command.unwrap_or(StashCommands::Push(stash.push));
+            match stash_cmd {
+                StashCommands::Push(push) => {
+                    println!("Pushing {push:?}");
+                }
+                StashCommands::Pop { stash } => {
+                    println!("Popping {stash:?}");
+                }
+                StashCommands::Apply { stash } => {
+                    println!("Applying {stash:?}");
+                }
+            }
+        }
+        Commands::External(args) => {
+            println!("Calling out to {:?} with {:?}", &args[0], &args[1..]);
+        }
+    }
+
+    // Continued program logic goes here...
+}

__bin/goblin/Cargo.lock

@@ -0,0 +1,232 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
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+
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+
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+dependencies = [
+ "cfg-if",
+ "dirs-sys-next",
+]
+
+[[package]]
+name = "dirs-sys-next"
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+ "libc",
+ "redox_users",
+ "winapi",
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+ "cfg-if",
+ "libc",
+ "wasi",
+]
+
+[[package]]
+name = "goblin"
+version = "0.1.0"
+dependencies = [
+ "goblin 0.4.1",
+ "rust_util",
+]
+
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+ "log",
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+ "scroll",
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+ "bitflags",
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+ "getrandom",
+ "redox_syscall",
+]
+
+[[package]]
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+ "lazy_static",
+ "libc",
+ "term",
+ "term_size",
+]
+
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+
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+ "scroll_derive",
+]
+
+[[package]]
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+ "syn",
+]
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+ "proc-macro2",
+ "quote",
+ "unicode-xid",
+]
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+dependencies = [
+ "dirs-next",
+ "rustversion",
+ "winapi",
+]
+
+[[package]]
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+ "libc",
+ "winapi",
+]
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+
+[[package]]
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+
+[[package]]
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+checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
+dependencies = [
+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
+
+[[package]]
+name = "winapi-i686-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
+
+[[package]]
+name = "winapi-x86_64-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"

__bin/goblin/Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "goblin"
+version = "0.1.0"
+authors = ["Hatter Jiang@Pixelbook <jht5945@gmail.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+rust_util = "0.6.39"
+goblin = "0.4.1"
+

__bin/goblin/src/main.rs

@@ -0,0 +1,32 @@
+#[macro_use] extern crate rust_util;
+
+use std::path::Path;
+use goblin::Object;
+
+fn main() {
+    let file = std::env::args().nth(1);
+    match file {
+        None => failure_and_exit!("Must assign a file"),
+        Some(f) => {
+            let path = Path::new(&f);
+            let buff = std::fs::read(path).unwrap_or_else(|e| failure_and_exit!("Read file: {}, failed: {}", f, e));
+            match Object::parse(&buff).unwrap_or_else(|e| failure_and_exit!("Read file: {}, failed: {}", f , e)) {
+                Object::Elf(elf) => {
+                    success!("Found elf file: {:?}", elf.header);
+                }
+                Object::PE(pe) => {
+                    success!("Found PE file: {:?}", pe);
+                }
+                Object::Mach(mach) => {
+                    success!("Found mach file: {:?}", mach);
+                }
+                Object::Archive(archive) => {
+                    success!("Fund linux archive file: {:?}", archive);
+                }
+                Object::Unknown(magic) => {
+                    failure!("Unknown file, magic: {}", magic);
+                }
+            }
+        }
+    }
+}

__bin/object-demo/Cargo.lock

@@ -0,0 +1,82 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "adler"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
+
+[[package]]
+name = "cfg-if"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+
+[[package]]
+name = "crc32fast"
+version = "1.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b540bd8bc810d3885c6ea91e2018302f68baba2129ab3e88f32389ee9370880d"
+dependencies = [
+ "cfg-if",
+]
+
+[[package]]
+name = "flate2"
+version = "1.0.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a8a2db397cb1c8772f31494cb8917e48cd1e64f0fa7efac59fbd741a0a8ce841"
+dependencies = [
+ "crc32fast",
+ "miniz_oxide",
+]
+
+[[package]]
+name = "libc"
+version = "0.2.140"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "99227334921fae1a979cf0bfdfcc6b3e5ce376ef57e16fb6fb3ea2ed6095f80c"
+
+[[package]]
+name = "memchr"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
+
+[[package]]
+name = "memmap2"
+version = "0.5.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "83faa42c0a078c393f6b29d5db232d8be22776a891f8f56e5284faee4a20b327"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "miniz_oxide"
+version = "0.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b275950c28b37e794e8c55d88aeb5e139d0ce23fdbbeda68f8d7174abdf9e8fa"
+dependencies = [
+ "adler",
+]
+
+[[package]]
+name = "object"
+version = "0.30.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ea86265d3d3dcb6a27fc51bd29a4bf387fae9d2986b823079d4986af253eb439"
+dependencies = [
+ "flate2",
+ "memchr",
+]
+
+[[package]]
+name = "object-demo"
+version = "0.1.0"
+dependencies = [
+ "memmap2",
+ "object",
+]

__bin/object-demo/Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "object-demo"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+memmap2 = "0.5.10"
+object = "0.30.3"

__bin/object-demo/src/main.rs

@@ -0,0 +1,323 @@
+use std::io::{Result, Write};
+
+use object::{Endianness, Object, ObjectComdat, ObjectSection, ObjectSymbol};
+use object::read::archive::ArchiveFile;
+use object::read::macho::{DyldCache, FatArch, FatHeader};
+
+use std::{env, fs, io, process};
+
+fn main() {
+    let mut args = env::args();
+    let cmd = args.next().unwrap();
+    if args.len() == 0 {
+        eprintln!("Usage: {} <file> [<member>...]", cmd);
+        process::exit(1);
+    }
+    let file_path = args.next().unwrap();
+    let member_names: Vec<_> = args.collect();
+
+    let file = match fs::File::open(&file_path) {
+        Ok(file) => file,
+        Err(err) => {
+            eprintln!("Failed to open file '{}': {}", file_path, err,);
+            process::exit(1);
+        }
+    };
+    let extra_files = open_subcaches_if_exist(&file_path);
+    let file = match unsafe { memmap2::Mmap::map(&file) } {
+        Ok(mmap) => mmap,
+        Err(err) => {
+            eprintln!("Failed to map file '{}': {}", file_path, err,);
+            process::exit(1);
+        }
+    };
+    let extra_files: Vec<_> = extra_files
+        .into_iter()
+        .map(
+            |subcache_file| match unsafe { memmap2::Mmap::map(&subcache_file) } {
+                Ok(mmap) => mmap,
+                Err(err) => {
+                    eprintln!("Failed to map file '{}': {}", file_path, err,);
+                    process::exit(1);
+                }
+            },
+        )
+        .collect();
+    let extra_file_data: Vec<&[u8]> = extra_files.iter().map(|f| &**f).collect();
+
+    let stdout = io::stdout();
+    let stderr = io::stderr();
+    print(
+        &mut stdout.lock(),
+        &mut stderr.lock(),
+        &*file,
+        &extra_file_data,
+        member_names,
+    )
+        .unwrap();
+}
+
+// If the file is a dyld shared cache, and we're on macOS 12 or later,
+// then there will be one or more "subcache" files next to this file,
+// with the names filename.1, filename.2 etc.
+// Read those files now, if they exist, even if we don't know that
+// we're dealing with a dyld shared cache. By the time we know what
+// we're dealing with, it's too late to read more files.
+fn open_subcaches_if_exist(path: &str) -> Vec<fs::File> {
+    let mut files = Vec::new();
+    for i in 1.. {
+        let subcache_path = format!("{}.{}", path, i);
+        match fs::File::open(&subcache_path) {
+            Ok(subcache_file) => files.push(subcache_file),
+            Err(_) => break,
+        };
+    }
+    let symbols_subcache_path = format!("{}.symbols", path);
+    if let Ok(subcache_file) = fs::File::open(&symbols_subcache_path) {
+        files.push(subcache_file);
+    };
+    files
+}
+
+pub fn print<W: Write, E: Write>(
+    w: &mut W,
+    e: &mut E,
+    file: &[u8],
+    extra_files: &[&[u8]],
+    member_names: Vec<String>,
+) -> Result<()> {
+    let mut member_names: Vec<_> = member_names.into_iter().map(|name| (name, false)).collect();
+
+    if let Ok(archive) = ArchiveFile::parse(file) {
+        writeln!(w, "Format: Archive (kind: {:?})", archive.kind())?;
+        for member in archive.members() {
+            match member {
+                Ok(member) => {
+                    if find_member(&mut member_names, member.name()) {
+                        writeln!(w)?;
+                        writeln!(w, "{}:", String::from_utf8_lossy(member.name()))?;
+                        if let Ok(data) = member.data(file) {
+                            dump_object(w, e, data)?;
+                        }
+                    }
+                }
+                Err(err) => writeln!(e, "Failed to parse archive member: {}", err)?,
+            }
+        }
+    } else if let Ok(arches) = FatHeader::parse_arch32(file) {
+        writeln!(w, "Format: Mach-O Fat 32")?;
+        for arch in arches {
+            writeln!(w)?;
+            writeln!(w, "Fat Arch: {:?}", arch.architecture())?;
+            match arch.data(file) {
+                Ok(data) => dump_object(w, e, data)?,
+                Err(err) => writeln!(e, "Failed to parse Fat 32 data: {}", err)?,
+            }
+        }
+    } else if let Ok(arches) = FatHeader::parse_arch64(file) {
+        writeln!(w, "Format: Mach-O Fat 64")?;
+        for arch in arches {
+            writeln!(w)?;
+            writeln!(w, "Fat Arch: {:?}", arch.architecture())?;
+            match arch.data(file) {
+                Ok(data) => dump_object(w, e, data)?,
+                Err(err) => writeln!(e, "Failed to parse Fat 64 data: {}", err)?,
+            }
+        }
+    } else if let Ok(cache) = DyldCache::<Endianness>::parse(file, extra_files) {
+        writeln!(w, "Format: dyld cache {:?}-endian", cache.endianness())?;
+        writeln!(w, "Architecture: {:?}", cache.architecture())?;
+        for image in cache.images() {
+            let path = match image.path() {
+                Ok(path) => path,
+                Err(err) => {
+                    writeln!(e, "Failed to parse dydld image name: {}", err)?;
+                    continue;
+                }
+            };
+            if !find_member(&mut member_names, path.as_bytes()) {
+                continue;
+            }
+            writeln!(w)?;
+            writeln!(w, "{}:", path)?;
+            let file = match image.parse_object() {
+                Ok(file) => file,
+                Err(err) => {
+                    writeln!(e, "Failed to parse file: {}", err)?;
+                    continue;
+                }
+            };
+            dump_parsed_object(w, e, &file)?;
+        }
+    } else {
+        dump_object(w, e, file)?;
+    }
+
+    for (name, found) in member_names {
+        if !found {
+            writeln!(e, "Failed to find member '{}", name)?;
+        }
+    }
+    Ok(())
+}
+
+fn find_member(member_names: &mut [(String, bool)], name: &[u8]) -> bool {
+    if member_names.is_empty() {
+        return true;
+    }
+    match member_names.iter().position(|x| x.0.as_bytes() == name) {
+        Some(i) => {
+            member_names[i].1 = true;
+            true
+        }
+        None => false,
+    }
+}
+
+fn dump_object<W: Write, E: Write>(w: &mut W, e: &mut E, data: &[u8]) -> Result<()> {
+    match object::File::parse(data) {
+        Ok(file) => {
+            dump_parsed_object(w, e, &file)?;
+        }
+        Err(err) => {
+            writeln!(e, "Failed to parse file: {}", err)?;
+        }
+    }
+    Ok(())
+}
+
+fn dump_parsed_object<W: Write, E: Write>(w: &mut W, e: &mut E, file: &object::File) -> Result<()> {
+    writeln!(
+        w,
+        "Format: {:?} {:?}-endian {}-bit",
+        file.format(),
+        file.endianness(),
+        if file.is_64() { "64" } else { "32" }
+    )?;
+    writeln!(w, "Kind: {:?}", file.kind())?;
+    writeln!(w, "Architecture: {:?}", file.architecture())?;
+    writeln!(w, "Flags: {:x?}", file.flags())?;
+    writeln!(
+        w,
+        "Relative Address Base: {:x?}",
+        file.relative_address_base()
+    )?;
+    writeln!(w, "Entry Address: {:x?}", file.entry())?;
+
+    match file.mach_uuid() {
+        Ok(Some(uuid)) => writeln!(w, "Mach UUID: {:x?}", uuid)?,
+        Ok(None) => {}
+        Err(err) => writeln!(e, "Failed to parse Mach UUID: {}", err)?,
+    }
+    match file.build_id() {
+        Ok(Some(build_id)) => writeln!(w, "Build ID: {:x?}", build_id)?,
+        Ok(None) => {}
+        Err(err) => writeln!(e, "Failed to parse build ID: {}", err)?,
+    }
+    match file.gnu_debuglink() {
+        Ok(Some((filename, crc))) => writeln!(
+            w,
+            "GNU debug link: {} CRC: {:08x}",
+            String::from_utf8_lossy(filename),
+            crc,
+        )?,
+        Ok(None) => {}
+        Err(err) => writeln!(e, "Failed to parse GNU debug link: {}", err)?,
+    }
+    match file.gnu_debugaltlink() {
+        Ok(Some((filename, build_id))) => writeln!(
+            w,
+            "GNU debug alt link: {}, build ID: {:x?}",
+            String::from_utf8_lossy(filename),
+            build_id,
+        )?,
+        Ok(None) => {}
+        Err(err) => writeln!(e, "Failed to parse GNU debug alt link: {}", err)?,
+    }
+    match file.pdb_info() {
+        Ok(Some(info)) => writeln!(
+            w,
+            "PDB file: {}, GUID: {:x?}, Age: {}",
+            String::from_utf8_lossy(info.path()),
+            info.guid(),
+            info.age()
+        )?,
+        Ok(None) => {}
+        Err(err) => writeln!(e, "Failed to parse PE CodeView info: {}", err)?,
+    }
+
+    for segment in file.segments() {
+        writeln!(w, "{:x?}", segment)?;
+    }
+
+    for section in file.sections() {
+        writeln!(w, "{}: {:x?}", section.index().0, section)?;
+    }
+
+    for comdat in file.comdats() {
+        write!(w, "{:?} Sections:", comdat)?;
+        for section in comdat.sections() {
+            write!(w, " {}", section.0)?;
+        }
+        writeln!(w)?;
+    }
+
+    writeln!(w)?;
+    writeln!(w, "Symbols")?;
+    for symbol in file.symbols() {
+        writeln!(w, "{}: {:x?}", symbol.index().0, symbol)?;
+    }
+
+    for section in file.sections() {
+        if section.relocations().next().is_some() {
+            writeln!(
+                w,
+                "\n{} relocations",
+                section.name().unwrap_or("<invalid name>")
+            )?;
+            for relocation in section.relocations() {
+                writeln!(w, "{:x?}", relocation)?;
+            }
+        }
+    }
+
+    writeln!(w)?;
+    writeln!(w, "Dynamic symbols")?;
+    for symbol in file.dynamic_symbols() {
+        writeln!(w, "{}: {:x?}", symbol.index().0, symbol)?;
+    }
+
+    if let Some(relocations) = file.dynamic_relocations() {
+        writeln!(w)?;
+        writeln!(w, "Dynamic relocations")?;
+        for relocation in relocations {
+            writeln!(w, "{:x?}", relocation)?;
+        }
+    }
+
+    match file.imports() {
+        Ok(imports) => {
+            if !imports.is_empty() {
+                writeln!(w)?;
+                for import in imports {
+                    writeln!(w, "{:x?}", import)?;
+                }
+            }
+        }
+        Err(err) => writeln!(e, "Failed to parse imports: {}", err)?,
+    }
+
+    match file.exports() {
+        Ok(exports) => {
+            if !exports.is_empty() {
+                writeln!(w)?;
+                for export in exports {
+                    writeln!(w, "{:x?}", export)?;
+                }
+            }
+        }
+        Err(err) => writeln!(e, "Failed to parse exports: {}", err)?,
+    }
+
+    Ok(())
+}

__compress/zstd-demo/Cargo.lock

@@ -0,0 +1,70 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "cc"
+version = "1.0.79"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "50d30906286121d95be3d479533b458f87493b30a4b5f79a607db8f5d11aa91f"
+dependencies = [
+ "jobserver",
+]
+
+[[package]]
+name = "jobserver"
+version = "0.1.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "068b1ee6743e4d11fb9c6a1e6064b3693a1b600e7f5f5988047d98b3dc9fb90b"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "libc"
+version = "0.2.139"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "201de327520df007757c1f0adce6e827fe8562fbc28bfd9c15571c66ca1f5f79"
+
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+checksum = "6ac9a59f73473f1b8d852421e59e64809f025994837ef743615c6d0c5b305160"
+
+[[package]]
+name = "zstd"
+version = "0.12.3+zstd.1.5.2"
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+checksum = "76eea132fb024e0e13fd9c2f5d5d595d8a967aa72382ac2f9d39fcc95afd0806"
+dependencies = [
+ "zstd-safe",
+]
+
+[[package]]
+name = "zstd-demo"
+version = "0.1.0"
+dependencies = [
+ "zstd",
+]
+
+[[package]]
+name = "zstd-safe"
+version = "6.0.4+zstd.1.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7afb4b54b8910cf5447638cb54bf4e8a65cbedd783af98b98c62ffe91f185543"
+dependencies = [
+ "libc",
+ "zstd-sys",
+]
+
+[[package]]
+name = "zstd-sys"
+version = "2.0.7+zstd.1.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "94509c3ba2fe55294d752b79842c530ccfab760192521df74a081a78d2b3c7f5"
+dependencies = [
+ "cc",
+ "libc",
+ "pkg-config",
+]

__compress/zstd-demo/Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "zstd-demo"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+zstd = "0.12.3"

__compress/zstd-demo/src/main.rs

@@ -0,0 +1,29 @@
+use std::collections::VecDeque;
+use std::io;
+use zstd::Encoder;
+
+fn main() {
+    let inputs = "hello world".repeat(100);
+    let outputs = compress_manually(1, inputs.as_bytes().to_vec().into());
+
+    println!("Inputs len: {}", inputs.len());
+    println!("Outputs len: {}", outputs.len());
+    println!("{:x?}", outputs);
+}
+
+// fn compress(level: i32) {
+//     zstd::stream::copy_encode(io::stdin(), io::stdout(), level).unwrap();
+// }
+// fn decompress() {
+//     zstd::stream::copy_decode(io::stdin(), io::stdout()).unwrap();
+// }
+
+// This function does the same thing, directly using an `Encoder`:
+fn compress_manually(level: i32, mut input: VecDeque<u8>) -> Vec<u8> {
+    let mut output: Vec<u8> = vec![];
+    let mut encoder = Encoder::new(&mut output, level).unwrap();
+    io::copy(&mut input, &mut encoder).unwrap();
+    encoder.finish().unwrap();
+    output
+}
+

__concurrent/arc-swap/Cargo.lock

@@ -0,0 +1,21 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
+name = "arc-swap"
+version = "0.1.0"
+dependencies = [
+ "arc-swap 0.4.7",
+ "once_cell",
+]
+
+[[package]]
+name = "arc-swap"
+version = "0.4.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4d25d88fd6b8041580a654f9d0c581a047baee2b3efee13275f2fc392fc75034"
+
+[[package]]
+name = "once_cell"
+version = "1.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "260e51e7efe62b592207e9e13a68e43692a7a279171d6ba57abd208bf23645ad"

__concurrent/arc-swap/Cargo.toml

@@ -0,0 +1,13 @@
+[package]
+name = "arc-swap"
+version = "0.1.0"
+authors = ["Hatter Jiang <jht5945@gmail.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+arc-swap = "0.4"
+once_cell = "1.4"
+
+

__concurrent/arc-swap/src/main.rs

@@ -0,0 +1,11 @@
+use once_cell::sync::Lazy;
+use arc_swap::ArcSwap;
+
+static TEST_STRING: Lazy<ArcSwap<String>> = Lazy::new(|| {
+    ArcSwap::from_pointee("Hello World!".to_owned())
+});
+
+fn main() {
+    let s = TEST_STRING.load();
+    println!("{}", s);
+}

__concurrent/async-fn-resumed-after-completion/Cargo.lock

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+# It is not intended for manual editing.
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+
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__concurrent/async-fn-resumed-after-completion/Cargo.toml

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+[package]
+name = "async-fn-resumed-after-completion"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+tokio = { version = "1.36.0", features = ["full"] }

__concurrent/async-fn-resumed-after-completion/src/main.rs

@@ -0,0 +1,48 @@
+async fn action(input: Option<i32>) -> Option<String> {
+    // 若 input（输入）是None，则返回 None
+    // 事实上也可以这么写: `let i = input?;`
+    let _i = match input {
+        Some(input) => input,
+        None => return None,
+    };
+
+    // 这里定义一些逻辑
+    Some("test".into())
+}
+
+#[tokio::main]
+async fn main() {
+    let (tx, mut rx) = tokio::sync::mpsc::channel(128);
+
+    let mut done = false;
+    let operation = action(None);
+    tokio::pin!(operation);
+
+    tokio::spawn(async move {
+        let _ = tx.send(1).await;
+        let _ = tx.send(3).await;
+        let _ = tx.send(2).await;
+    });
+
+    loop {
+        tokio::select! {
+            res = &mut operation, if !done => {
+                println!("res = &mut operation, done={}", done);
+                done = true;
+
+                if let Some(v) = res {
+                    println!("GOT = {}", v);
+                    return;
+                }
+            }
+            Some(v) = rx.recv() => {
+                println!("Some(v={}) = rx.recv()", v);
+                if v % 2 == 0 {
+                    // `.set` 是 `Pin` 上定义的方法
+                    operation.set(action(Some(v)));
+                    done = false;
+                }
+            }
+        }
+    }
+}

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+dependencies = [
+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_msvc",
+]
+
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.32.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d8e92753b1c443191654ec532f14c199742964a061be25d77d7a96f09db20bf5"
+
+[[package]]
+name = "windows_i686_gnu"
+version = "0.32.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6a711c68811799e017b6038e0922cb27a5e2f43a2ddb609fe0b6f3eeda9de615"
+
+[[package]]
+name = "windows_i686_msvc"
+version = "0.32.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "146c11bb1a02615db74680b32a68e2d61f553cc24c4eb5b4ca10311740e44172"
+
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.32.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c912b12f7454c6620635bbff3450962753834be2a594819bd5e945af18ec64bc"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.32.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "504a2476202769977a040c6364301a3f65d0cc9e3fb08600b2bda150a0488316"

__concurrent/async_study/Cargo.toml

@@ -0,0 +1,14 @@
+[package]
+name = "async_study"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+tokio = { version = "1.0", features = ["full"] }
+futures-core = "0.3"
+futures-util = { version = "0.3", default-features = false }
+bytes = "1.1"
+futures = "0.3"
+tokio-stream = "0.1"

__concurrent/async_study/README.md

@@ -0,0 +1,22 @@
+Import `tokio`:
+
+```
+tokio = { version = "1.0", features = ["full"] }
+```
+
+Usage:
+
+```rust
+#[tokio::main]
+async fn main() {
+    // TODO ...
+}
+```
+
+`tokio` 提供以下几种 channels 类型:
+
+* mpsc: 多生产者，单消费者 - https://docs.rs/tokio/1/tokio/sync/mpsc/index.html
+* oneshot: 单生产者，单消费者 - https://docs.rs/tokio/1/tokio/sync/oneshot/index.html
+* broadcast: 多生产者，多消费者 - https://docs.rs/tokio/1/tokio/sync/broadcast/index.html
+* watch: 单生产者，多消费者 - https://docs.rs/tokio/1/tokio/sync/watch/index.html
+

__concurrent/async_study/examples/async.rs

@@ -0,0 +1,8 @@
+#[tokio::main]
+async fn main() {
+    invoke().await
+}
+
+async fn invoke() {
+    println!("Hello World!");
+}

__concurrent/async_study/examples/async2.rs

@@ -0,0 +1,23 @@
+use std::future::Future;
+use std::pin::Pin;
+use std::task::{Context, Poll};
+
+#[tokio::main]
+async fn main() {
+    invoke().await
+}
+
+struct FutureImpl {}
+
+impl Future for FutureImpl {
+    type Output = ();
+
+    fn poll(self: Pin<&mut Self>, _cx: &mut Context<'_>) -> Poll<Self::Output> {
+        println!("Hello World!");
+        Poll::Ready(())
+    }
+}
+
+fn invoke() -> impl Future<Output=()> {
+    FutureImpl {}
+}

__concurrent/async_study/examples/async3.rs

@@ -0,0 +1,35 @@
+use std::future::Future;
+use std::pin::Pin;
+use std::task::{Context, Poll};
+
+#[tokio::main]
+async fn main() {
+    invoke().await
+}
+
+struct FutureImpl {
+    i: i32,
+}
+
+impl Future for FutureImpl {
+    type Output = ();
+    
+    fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
+        if self.i == 0 {
+            let s = &mut *self;
+            s.i += 1;
+            println!("Hello World, pending");
+            cx.waker().wake_by_ref();
+            Poll::Pending
+        } else {
+            println!("Hello World, ready");
+            Poll::Ready(())
+        }
+    }
+}
+
+fn invoke() -> impl Future<Output=()> {
+    FutureImpl {
+        i: 0,
+    }
+}

__concurrent/async_study/examples/async4.rs

@@ -0,0 +1,10 @@
+fn main() {
+    let rt = tokio::runtime::Runtime::new().unwrap();
+    rt.block_on(async {
+        invoke().await
+    });
+}
+
+async fn invoke() {
+    println!("Hello World!");
+}

__concurrent/async_study/examples/mini_tokio.rs

@@ -0,0 +1,72 @@
+use std::collections::VecDeque;
+use std::future::Future;
+use std::pin::Pin;
+use std::task::{Context, Poll};
+use std::time::{Duration, Instant};
+
+use futures::task;
+
+// from: https://tokio.rs/tokio/tutorial/async
+fn main() {
+    let mut mini_tokio = MiniTokio::new();
+
+    mini_tokio.spawn(async {
+        let when = Instant::now() + Duration::from_millis(10);
+        let future = Delay { when };
+
+        let out = future.await;
+        assert_eq!(out, "done");
+    });
+
+    mini_tokio.run();
+}
+
+struct MiniTokio {
+    tasks: VecDeque<Task>,
+}
+
+type Task = Pin<Box<dyn Future<Output=()> + Send>>;
+
+impl MiniTokio {
+    fn new() -> MiniTokio {
+        MiniTokio {
+            tasks: VecDeque::new(),
+        }
+    }
+
+    /// Spawn a future onto the mini-tokio instance.
+    fn spawn<F>(&mut self, future: F) where F: Future<Output=()> + Send + 'static, {
+        self.tasks.push_back(Box::pin(future));
+    }
+
+    fn run(&mut self) {
+        let waker = task::noop_waker();
+        let mut cx = Context::from_waker(&waker);
+
+        while let Some(mut task) = self.tasks.pop_front() {
+            if task.as_mut().poll(&mut cx).is_pending() {
+                self.tasks.push_back(task);
+            }
+        }
+    }
+}
+
+
+struct Delay {
+    when: Instant,
+}
+
+impl Future for Delay {
+    type Output = &'static str;
+
+    fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<&'static str> {
+        if Instant::now() >= self.when {
+            println!("Hello world");
+            Poll::Ready("done")
+        } else {
+            // Ignore this line for now.
+            cx.waker().wake_by_ref();
+            Poll::Pending
+        }
+    }
+}

__concurrent/async_study/examples/select.rs

@@ -0,0 +1,24 @@
+use std::time::Duration;
+use tokio::sync::oneshot::channel;
+
+#[tokio::main]
+async fn main() {
+    let (tx1, rx1) = channel::<i32>();
+    let (_tx2, rx2) = channel::<i32>();
+
+    tokio::spawn(async move {
+        tokio::time::sleep(Duration::from_millis(200)).await;
+        tx1.send(1);
+    });
+
+    println!("start select");
+    tokio::select! {
+        val = rx1 => {
+            println!("rx1 completed first with {:?}", val);
+        }
+        val = rx2 => {
+            println!("rx2 completed first with {:?}", val);
+        }
+    }
+    println!("end select");
+}

__concurrent/async_study/examples/select2.rs

@@ -0,0 +1,44 @@
+use std::future::Future;
+use std::pin::Pin;
+use std::task::{Context, Poll};
+use std::time::Duration;
+use tokio::sync::oneshot::{channel, Receiver};
+
+#[tokio::main]
+async fn main() {
+    let (tx1, rx1) = channel::<i32>();
+    let (_tx2, rx2) = channel::<i32>();
+
+    tokio::spawn(async move {
+        tokio::time::sleep(Duration::from_millis(200)).await;
+        let _ = tx1.send(1);
+    });
+
+    println!("start select");
+    MySelect { rx1, rx2 }.await;
+    println!("end select");
+}
+
+
+struct MySelect {
+    rx1: Receiver<i32>,
+    rx2: Receiver<i32>,
+}
+
+impl Future for MySelect {
+    type Output = ();
+
+    fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<()> {
+        if let Poll::Ready(val) = Pin::new(&mut self.rx1).poll(cx) {
+            println!("rx1 completed first with {:?}", val);
+            return Poll::Ready(());
+        }
+
+        if let Poll::Ready(val) = Pin::new(&mut self.rx2).poll(cx) {
+            println!("rx2 completed first with {:?}", val);
+            return Poll::Ready(());
+        }
+
+        Poll::Pending
+    }
+}

__concurrent/async_study/examples/select3.rs

@@ -0,0 +1,40 @@
+use std::time::Duration;
+
+use tokio::{join, select};
+use tokio::sync::oneshot::channel;
+
+#[tokio::main]
+async fn main() {
+    let (tx1, rx1) = channel::<i32>();
+
+    let a = tokio::spawn(async move {
+        tokio::time::sleep(Duration::from_millis(2000)).await;
+        let _ = tx1.send(1);
+        println!(">>> send tx1");
+    });
+
+    select! {
+        a = rx1 => {
+            println!("tx: {:?}", a);
+        }
+        b = run() => {
+            println!("run: {:?}", b);
+        }
+        c = tokio::time::sleep(Duration::from_millis(1500)) => {
+            println!("timeout: {:?}", c);
+        }
+    }
+
+    println!("join: {:?}", join!(a));
+
+    println!(">> pre end");
+    tokio::time::sleep(Duration::from_millis(2000)).await;
+    println!(">> end");
+}
+
+async fn run() {
+    for i in 0.. {
+        tokio::time::sleep(Duration::from_millis(300)).await;
+        println!("# {}", i);
+    }
+}

__concurrent/async_study/examples/stream.rs

@@ -0,0 +1,98 @@
+use std::future::Future;
+use std::io::{self, ErrorKind};
+use std::pin::Pin;
+use std::task::{Context, Poll};
+use std::time::Duration;
+
+use tokio::io::{AsyncRead, AsyncReadExt, AsyncWrite, AsyncWriteExt, ReadBuf};
+use tokio::sync::mpsc::{channel, Receiver, Sender};
+use tokio::time::sleep;
+
+#[tokio::main]
+async fn main() {
+    let (sender, receiver) = channel::<StreamMessage>(512);
+    let stream = Stream { sender, receiver };
+    let (mut s, mut w) = tokio::io::split(stream);
+
+    let t = tokio::spawn(async move {
+        let mut buf = Vec::<u8>::with_capacity(1024);
+        loop {
+            match s.read_buf(&mut buf).await {
+                Ok(len) => println!("Len: {}, Buf: {:?}", len, &buf[..len]),
+                Err(e) => {
+                    println!("Err: {:?}", e);
+                    if e.to_string().contains("broken pipe") {
+                        break;
+                    }
+                }
+            }
+        }
+    });
+
+    sleep(Duration::from_secs(1)).await;
+    let _ = w.write_all(b"hello world").await;
+    sleep(Duration::from_secs(1)).await;
+    let _ = w.write_all(b"hello world").await;
+    sleep(Duration::from_secs(1)).await;
+    let _ = w.write_all(b"hello world").await;
+    let a = tokio::join!(w.shutdown());
+    let b = tokio::join!(t);
+    println!("{:?}, {:?}", a, b)
+}
+
+#[derive(Debug)]
+enum StreamMessage {
+    Data(Vec<u8>),
+    Flush,
+    Close,
+}
+
+struct Stream {
+    sender: Sender<StreamMessage>,
+    receiver: Receiver<StreamMessage>,
+}
+
+impl AsyncRead for Stream {
+    fn poll_read(mut self: Pin<&mut Self>, cx: &mut Context<'_>, buf: &mut ReadBuf<'_>) -> Poll<io::Result<()>> {
+        let m = self.receiver.poll_recv(cx);
+        match m {
+            Poll::Pending => Poll::Pending,
+            Poll::Ready(m_opt) => match m_opt {
+                None => Poll::Ready(Err(io::Error::new(ErrorKind::BrokenPipe, "broken pipe"))),
+                Some(StreamMessage::Close) => {
+                    self.receiver.close();
+                    Poll::Ready(Ok(()))
+                }
+                Some(StreamMessage::Flush) => Poll::Ready(Ok(())),
+                Some(StreamMessage::Data(mm)) => {
+                    buf.put_slice(mm.as_slice());
+                    Poll::Ready(Ok(()))
+                }
+            }
+        }
+    }
+}
+
+impl AsyncWrite for Stream {
+    fn poll_write(self: Pin<&mut Self>, cx: &mut Context<'_>, buf: &[u8]) -> Poll<io::Result<usize>> {
+        pool_send(self, cx, StreamMessage::Data(Vec::from(buf)), buf.len())
+    }
+
+    fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
+        pool_send(self, cx, StreamMessage::Flush, ())
+    }
+
+    fn poll_shutdown(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
+        pool_send(self, cx, StreamMessage::Close, ())
+    }
+}
+
+fn pool_send<R>(s: Pin<&mut Stream>, cx: &mut Context<'_>, stream_message: StreamMessage, r: R) -> Poll<io::Result<R>> {
+    let fut = s.sender.send(stream_message);
+    tokio::pin!( fut);
+    match fut.poll(cx) {
+        Poll::Pending => Poll::Pending,
+        Poll::Ready(Ok(_)) => Poll::Ready(Ok(r)),
+        Poll::Ready(Err(e)) => Poll::Ready(Err(io::Error::new(ErrorKind::BrokenPipe, e.to_string()))),
+    }
+}

__concurrent/async_study/examples/tokio_stream.rs

@@ -0,0 +1,10 @@
+use tokio_stream::{self as stream, StreamExt};
+
+#[tokio::main]
+async fn main() {
+    let mut stream = stream::iter(vec![0, 1, 2]);
+
+    while let Some(value) = stream.next().await {
+        println!("Got {}", value);
+    }
+}

__concurrent/async_study/examples/tokio_stream2.rs

@@ -0,0 +1,29 @@
+use std::pin::Pin;
+use std::task::{Context, Poll};
+
+use futures_core::Stream;
+use tokio_stream::StreamExt;
+
+#[tokio::main]
+async fn main() {
+    let mut stream = MyStream(0);
+
+    while let Some(value) = stream.next().await {
+        println!("Got {}", value);
+    }
+}
+
+struct MyStream(i32);
+
+impl Stream for MyStream {
+    type Item = i32;
+
+    fn poll_next(mut self: Pin<&mut Self>, _cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
+        if self.0 < 10 {
+            self.0 += 1;
+            Poll::Ready(Some(self.0))
+        } else {
+            Poll::Ready(None)
+        }
+    }
+}

__concurrent/async_study/src/main.rs

@@ -0,0 +1,190 @@
+use std::collections::HashMap;
+use std::future::Future;
+use std::io::{self, ErrorKind};
+use std::pin::Pin;
+use std::sync::{Arc, Mutex};
+use std::sync::atomic::{AtomicU64, Ordering};
+use std::task::{Context, Poll};
+use std::time::Duration;
+
+use bytes::BytesMut;
+use tokio::io::{AsyncRead, AsyncReadExt, AsyncWrite, AsyncWriteExt, ReadBuf, ReadHalf, WriteHalf};
+use tokio::sync::mpsc::{channel, Receiver, Sender};
+use tokio::task::JoinHandle;
+use tokio::time::sleep;
+
+#[tokio::main]
+async fn main() {
+    let channel_id = AtomicU64::new(1);
+
+    let (left_to_right_sender, left_to_right_receiver) = channel::<StreamPackage>(512);
+    let (right_to_left_sender, right_to_left_receiver) = channel::<StreamPackage>(512);
+
+    let right_consumer_stream_map = Arc::new(Mutex::new(HashMap::<u64, Sender<StreamPackage>>::new()));
+    let left_consumer_stream_map = Arc::new(Mutex::new(HashMap::<u64, Sender<StreamPackage>>::new()));
+
+    loop_consume(left_to_right_receiver, right_consumer_stream_map.clone());
+    loop_consume(right_to_left_receiver, left_consumer_stream_map.clone());
+
+    let mut handles = vec![];
+    for _ in 0..3 {
+        let new_channel_id = channel_id.fetch_add(1, Ordering::SeqCst);
+
+        let right_stream = create_stream(new_channel_id, right_to_left_sender.clone(), right_consumer_stream_map.clone());
+        let left_stream = create_stream(new_channel_id, left_to_right_sender.clone(), left_consumer_stream_map.clone());
+
+        let (right_stream_reader, right_stream_writer) = tokio::io::split(right_stream);
+        let (left_stream_reader, left_stream_writer) = tokio::io::split(left_stream);
+
+        let a = loop_read(right_stream_reader, format!("#{} right reader", new_channel_id));
+        let b = loop_read(left_stream_reader, format!("#{} left  reader", new_channel_id));
+
+        let c = loop_send(new_channel_id, right_stream_writer, format!("right sender"));
+        let d = loop_send(new_channel_id, left_stream_writer, format!("left  sender"));
+
+        handles.extend([a, b, c, d]);
+    }
+    for h in handles {
+        let _ = tokio::join!(h);
+    }
+}
+
+fn create_stream(channel_id: u64, sender: Sender<StreamPackage>, consumer_stream_map: Arc<Mutex<HashMap<u64, Sender<StreamPackage>>>>) -> Stream {
+    let (new_sender, receiver) = channel::<StreamPackage>(16);
+    {
+        let stream_map_left_locked = &mut consumer_stream_map.lock().unwrap();
+        stream_map_left_locked.insert(channel_id, new_sender);
+    }
+    Stream {
+        channel_id,
+        sender,
+        receiver,
+    }
+}
+
+fn loop_send(channel_id: u64, mut writer: WriteHalf<Stream>, tag: String) -> JoinHandle<()> {
+    tokio::spawn(async move {
+        for i in 0..3 {
+            sleep(Duration::from_millis(100)).await;
+            let _ = writer.write_all(format!("Send message: [{}] {} - {}", &tag, channel_id, i).as_bytes()).await;
+        }
+        let _ = writer.shutdown().await;
+    })
+}
+
+fn loop_read(mut reader: ReadHalf<Stream>, tag: String) -> JoinHandle<()> {
+    tokio::spawn(async move {
+        let mut buf = BytesMut::with_capacity(4096);
+        // let mut buf = Vec::with_capacity(4096);
+        loop {
+            buf.clear();
+            match reader.read_buf(&mut buf).await {
+                Ok(len) => println!("Tag: {}, Len: {}, Buf: [[ {} ]]", &tag, len, String::from_utf8_lossy(&buf[..len])),
+                Err(e) => {
+                    println!("Tag: {}, Err: {:?}", &tag, e);
+                    if e.to_string().contains("broken pipe") {
+                        break;
+                    }
+                }
+            }
+        }
+    })
+}
+
+fn loop_consume(mut receiver: Receiver<StreamPackage>, stream_map: Arc<Mutex<HashMap<u64, Sender<StreamPackage>>>>) {
+    tokio::spawn(async move {
+        loop {
+            match receiver.recv().await {
+                None => {
+                    println!("Receiver none");
+                    break;
+                }
+                Some(package) => {
+                    let channel_id = package.channel_id;
+                    let sender = {
+                        let stream_map_locked = &stream_map.lock().unwrap();
+                        stream_map_locked.get(&channel_id).map(|s| s.clone())
+                    };
+                    match sender {
+                        None => println!("Channel id not found: {}", channel_id),
+                        Some(sender) => {
+                            // TODO process result
+                            let _ = sender.send(package).await;
+                        }
+                    }
+                }
+            }
+        }
+    });
+}
+
+
+#[derive(Debug)]
+struct StreamPackage {
+    channel_id: u64,
+    message: StreamPackageMessage,
+}
+
+#[derive(Debug)]
+enum StreamPackageMessage {
+    Data(Vec<u8>),
+    Flush,
+    Close,
+}
+
+struct Stream {
+    channel_id: u64,
+    sender: Sender<StreamPackage>,
+    receiver: Receiver<StreamPackage>,
+}
+
+impl AsyncRead for Stream {
+    fn poll_read(mut self: Pin<&mut Self>, cx: &mut Context<'_>, buf: &mut ReadBuf<'_>) -> Poll<io::Result<()>> {
+        let m = self.receiver.poll_recv(cx);
+        match m {
+            Poll::Pending => Poll::Pending,
+            Poll::Ready(m_opt) => match m_opt {
+                None => Poll::Ready(Err(io::Error::new(ErrorKind::BrokenPipe, "broken pipe"))),
+                Some(package) => match package.message {
+                    StreamPackageMessage::Close => {
+                        self.receiver.close();
+                        // Poll::Ready(Ok(()))
+                        Poll::Ready(Err(io::Error::new(ErrorKind::BrokenPipe, "broken pipe")))
+                    }
+                    StreamPackageMessage::Flush => Poll::Ready(Ok(())),
+                    StreamPackageMessage::Data(mm) => {
+                        buf.put_slice(mm.as_slice());
+                        Poll::Ready(Ok(()))
+                    }
+                }
+            }
+        }
+    }
+}
+
+impl AsyncWrite for Stream {
+    fn poll_write(self: Pin<&mut Self>, cx: &mut Context<'_>, buf: &[u8]) -> Poll<io::Result<usize>> {
+        let stream_package = StreamPackage { channel_id: self.channel_id, message: StreamPackageMessage::Data(Vec::from(buf)) };
+        pool_send(self, cx, stream_package, buf.len())
+    }
+
+    fn poll_flush(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
+        let stream_package = StreamPackage { channel_id: self.channel_id, message: StreamPackageMessage::Flush };
+        pool_send(self, cx, stream_package, ())
+    }
+
+    fn poll_shutdown(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
+        let stream_package = StreamPackage { channel_id: self.channel_id, message: StreamPackageMessage::Close };
+        pool_send(self, cx, stream_package, ())
+    }
+}
+
+fn pool_send<R>(s: Pin<&mut Stream>, cx: &mut Context<'_>, stream_package: StreamPackage, r: R) -> Poll<io::Result<R>> {
+    let fut = s.sender.send(stream_package);
+    tokio::pin!( fut);
+    match fut.poll(cx) {
+        Poll::Pending => Poll::Pending,
+        Poll::Ready(Ok(_)) => Poll::Ready(Ok(r)),
+        Poll::Ready(Err(e)) => Poll::Ready(Err(io::Error::new(ErrorKind::BrokenPipe, e.to_string()))),
+    }
+}

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__concurrent/crossbeam_n_parking_lot/Cargo.toml

@@ -0,0 +1,13 @@
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+name = "crossbeam_n_parking_lot"
+version = "0.1.0"
+authors = ["Hatter Jiang <jht5945@gmail.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+crossbeam = "0.8.0"
+crossbeam-channel = "0.5.0"
+parking_lot = "0.11.1"
+lock_api = "0.4.2"

__concurrent/crossbeam_n_parking_lot/examples/multi_chan.rs

@@ -0,0 +1,37 @@
+use std::thread;
+use crossbeam_channel::bounded;
+
+fn main() {
+    let (s, r) = bounded(100);
+
+    let mut ts = vec![];
+    for ti in 0..4 {
+        let copied_sender = s.clone();
+        let t = thread::spawn(move|| {
+            println!("Start: {}", ti);
+            for i in 0..100000_u64 {
+                copied_sender.send(Some(i)).unwrap();
+            }
+            println!("End: {}", ti);
+        });
+        ts.push(t);
+    }
+    let tt = thread::spawn(move || {
+        println!("Start collect");
+        let mut sum = 0_u64;
+        loop {
+            let x = r.recv().unwrap();
+            match x {
+                None => break,
+                Some(x) => sum+=x,
+            }
+        }
+        println!("Enc collect");
+        println!("Sum: {}", sum);
+    });
+    for t in ts  {
+        t.join().unwrap();
+    }
+    s.send(None).unwrap();
+    tt.join().unwrap();
+}

__concurrent/crossbeam_n_parking_lot/justfile

@@ -0,0 +1,8 @@
+_:
+  @just --list
+
+ex-multi-chan:
+  cargo r --example multi_chan
+
+
+

__concurrent/crossbeam_n_parking_lot/src/main.rs

@@ -0,0 +1,38 @@
+// use crossbeam::atomic::AtomicCell;
+use crossbeam_channel::unbounded;
+use parking_lot::FairMutex;
+use parking_lot::RwLock;
+use std::sync::Arc;
+use std::thread;
+use std::time::Duration;
+
+fn main() {
+    let mutex = Arc::new(FairMutex::new(0_i32));
+    let rw_lock = Arc::new(RwLock::new(0_i32));
+    // let cell = AtomicCell::new(0_i32);
+
+    let (s, r) = unbounded::<i32>();
+
+    let thead_mutex = mutex.clone();
+    let thread_rw_lock = rw_lock.clone();
+    thread::spawn(move || {
+        for i in 1..=10 {
+            thread::sleep(Duration::from_millis(500));
+            s.send(i).unwrap();
+
+            let mut m = thead_mutex.lock();
+            *m += 1;
+            let mut rw = thread_rw_lock.write();
+            *rw += 1;
+        }
+        s.send(-1).unwrap();
+    });
+
+    loop {
+        let x = r.recv().unwrap();
+        if x < 0 {
+            break;
+        }
+        println!("Received: {}, mutext: {}, rw_lock: {}", x, *mutex.lock(), *rw_lock.read());
+    }
+}

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+name = "winapi-x86_64-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"

__concurrent/glommio/Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "glommio"
+version = "0.1.0"
+authors = ["Hatter Jiang <jht5945@gmail.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+glommio = "0.2.0-alpha"

__concurrent/glommio/README.md

@@ -0,0 +1,7 @@
+
+build failed!
+
+url
+https://crates.io/crates/glommio
+
+

__concurrent/glommio/src/main.rs

@@ -0,0 +1,7 @@
+use glommio::prelude::*;
+
+fn main() {
+    LocalExecutorBuilder::new().spawn(|| async move {
+        /// your code here
+    }).unwrap();
+}

__concurrent/green-threads/Cargo.lock

@@ -0,0 +1,5 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
+name = "green-threads"
+version = "0.1.0"

__concurrent/green-threads/Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "green-threads"
+version = "0.1.0"
+authors = ["Hatter Jiang <jht5945@gmail.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

__concurrent/green-threads/README.md

@@ -0,0 +1,8 @@
+
+https://zhuanlan.zhihu.com/p/101061389
+https://cfsamson.gitbook.io/green-threads-explained-in-200-lines-of-rust/final-200-lines-of-code
+
+
+https://github.com/cfsamson/example-greenthreads
+
+

__concurrent/green-threads/rust-toolchain

@@ -0,0 +1 @@
+nightly

__concurrent/green-threads/src/main.rs

@@ -0,0 +1,200 @@
+#![feature(llvm_asm, naked_functions)]
+
+const DEFAULT_STACK_SIZE: usize = 1024 * 1024 * 2;
+const MAX_THREADS: usize = 4;
+static mut RUNTIME: usize = 0;
+
+pub struct Runtime {
+    threads: Vec<Thread>,
+    current: usize,
+}
+
+#[derive(PartialEq, Eq, Debug)]
+enum State {
+    Available,
+    Running,
+    Ready,
+}
+
+struct Thread {
+    id: usize,
+    stack: Vec<u8>,
+    ctx: ThreadContext,
+    state: State,
+}
+
+#[derive(Debug, Default)]
+#[repr(C)]
+struct ThreadContext {
+    rsp: u64,
+    r15: u64,
+    r14: u64,
+    r13: u64,
+    r12: u64,
+    rbx: u64,
+    rbp: u64,
+}
+
+impl Thread {
+    fn new(id: usize) -> Self {
+        Thread {
+            id,
+            stack: vec![0_u8; DEFAULT_STACK_SIZE],
+            ctx: ThreadContext::default(),
+            state: State::Available,
+        }
+    }
+}
+
+impl Runtime {
+    pub fn new() -> Self {
+        let base_thread = Thread {
+            id: 0,
+            stack: vec![0_u8; DEFAULT_STACK_SIZE],
+            ctx: ThreadContext::default(),
+            state: State::Running,
+        };
+
+        let mut threads = vec![base_thread];
+        let mut available_threads: Vec<Thread> = (1..MAX_THREADS).map(|i| Thread::new(i)).collect();
+        threads.append(&mut available_threads);
+
+        Runtime {
+            threads,
+            current: 0,
+        }
+    }
+
+    pub fn init(&self) {
+        unsafe {
+            let r_ptr: *const Runtime = self;
+            RUNTIME = r_ptr as usize;
+        }
+    }
+
+    pub fn run(&mut self) -> ! {
+        while self.t_yield() {}
+        std::process::exit(0);
+    }
+
+    fn t_return(&mut self) {
+        if self.current != 0 {
+            self.threads[self.current].state = State::Available;
+            self.t_yield();
+        }
+    }
+
+    fn t_yield(&mut self) -> bool {
+        let mut pos = self.current;
+        while self.threads[pos].state != State::Ready {
+            pos += 1;
+            if pos == self.threads.len() {
+                pos = 0;
+            }
+            if pos == self.current {
+                return false;
+            }
+        }
+
+        if self.threads[self.current].state != State::Available {
+            self.threads[self.current].state = State::Ready;
+        }
+
+        self.threads[pos].state = State::Running;
+        let old_pos = self.current;
+        self.current = pos;
+
+        unsafe {
+            switch(&mut self.threads[old_pos].ctx, &self.threads[pos].ctx);
+        }
+
+        self.threads.len() > 0
+    }
+
+    pub fn spawn(&mut self, f: fn()) {
+        let available = self
+            .threads
+            .iter_mut()
+            .find(|t| t.state == State::Available)
+            .expect("no available thread.");
+
+        let size = available.stack.len();
+        unsafe {
+            let s_ptr = available.stack.as_mut_ptr().offset(size as isize);
+            let s_ptr = (s_ptr as usize & !15) as *mut u8;
+            std::ptr::write(s_ptr.offset(-16) as *mut u64, guard as u64);
+            std::ptr::write(s_ptr.offset(-24) as *mut u64, skip as u64);
+            std::ptr::write(s_ptr.offset(-32) as *mut u64, f as u64);
+            available.ctx.rsp = s_ptr.offset(-32) as u64;
+        }
+        available.state = State::Ready;
+    }
+}
+
+#[naked]
+fn skip() { }
+
+fn guard() {
+    unsafe {
+        let rt_ptr = RUNTIME as *mut Runtime;
+        (*rt_ptr).t_return();
+    };
+}
+
+pub fn yield_thread() {
+    unsafe {
+        let rt_ptr = RUNTIME as *mut Runtime;
+        (*rt_ptr).t_yield();
+    };
+}
+
+#[naked]
+#[inline(never)]
+unsafe fn switch(old: *mut ThreadContext, new: *const ThreadContext) {
+    llvm_asm!("
+        mov     %rsp, 0x00($0)
+        mov     %r15, 0x08($0)
+        mov     %r14, 0x10($0)
+        mov     %r13, 0x18($0)
+        mov     %r12, 0x20($0)
+        mov     %rbx, 0x28($0)
+        mov     %rbp, 0x30($0)
+   
+        mov     0x00($1), %rsp
+        mov     0x08($1), %r15
+        mov     0x10($1), %r14
+        mov     0x18($1), %r13
+        mov     0x20($1), %r12
+        mov     0x28($1), %rbx
+        mov     0x30($1), %rbp
+        ret
+        "
+    :
+    :"r"(old), "r"(new)
+    :
+    : "volatile", "alignstack"
+    );
+}
+fn main() {
+    let mut runtime = Runtime::new();
+    runtime.init();
+    runtime.spawn(|| {
+        println!("THREAD 1 STARTING");
+        let id = 1;
+        for i in 0..10 {
+            println!("thread: {} counter: {}", id, i);
+            yield_thread();
+        }
+        println!("THREAD 1 FINISHED");
+    });
+    runtime.spawn(|| {
+        println!("THREAD 2 STARTING");
+        let id = 2;
+        for i in 0..15 {
+            println!("thread: {} counter: {}", id, i);
+            yield_thread();
+        }
+        println!("THREAD 2 FINISHED");
+    });
+    runtime.run();
+}

__concurrent/qcell/Cargo.lock

@@ -0,0 +1,25 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "once_cell"
+version = "1.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "da32515d9f6e6e489d7bc9d84c71b060db7247dc035bbe44eac88cf87486d8d5"
+
+[[package]]
+name = "qcell"
+version = "0.1.0"
+dependencies = [
+ "qcell 0.5.0",
+]
+
+[[package]]
+name = "qcell"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e5023f06b72bfa9fbb5ebdbe891f02db9406ba026990e0778f80094bc84f3ac8"
+dependencies = [
+ "once_cell",
+]

__concurrent/qcell/Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "qcell"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+qcell = "0.5.0"
+

__concurrent/qcell/src/main.rs

@@ -0,0 +1,16 @@
+use std::rc::Rc;
+use qcell::{QCell, QCellOwner};
+
+// https://docs.rs/qcell/latest/qcell/
+fn main() {
+    let mut owner = QCellOwner::new();
+
+    let item = Rc::new(QCell::new(&owner, Vec::<u8>::new()));
+    let iref = owner.rw(&item);
+    // test(&mut owner, &item);    // Compile error
+    iref.push(1);
+
+    fn test(owner: &mut QCellOwner, item: &Rc<QCell<Vec<u8>>>) {
+        owner.rw(&item).push(2);
+    }
+}

__concurrent/rayon/Cargo.lock

@@ -0,0 +1,149 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
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+ "hermit-abi",
+ "libc",
+]
+
+[[package]]
+name = "rayon"
+version = "0.1.0"
+dependencies = [
+ "rayon 1.5.0",
+]
+
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+ "autocfg",
+ "crossbeam-deque",
+ "either",
+ "rayon-core",
+]
+
+[[package]]
+name = "rayon-core"
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+checksum = "9ab346ac5921dc62ffa9f89b7a773907511cdfa5490c572ae9be1be33e8afa4a"
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+ "crossbeam-channel",
+ "crossbeam-deque",
+ "crossbeam-utils",
+ "lazy_static",
+ "num_cpus",
+]
+
+[[package]]
+name = "scopeguard"
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__concurrent/rayon/Cargo.toml

@@ -0,0 +1,11 @@
+[package]
+name = "rayon"
+version = "0.1.0"
+authors = ["Hatter Jiang <jht5945@gmail.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+rayon = "1.5.0"
+

__concurrent/rayon/src/main.rs

@@ -0,0 +1,32 @@
+use rayon::prelude::*;
+
+fn main() {
+    println!("{}", sum_of_squares(&vec![11, 22, 3, 4, 5, 6, 7]));
+    println!("{}", fib_iterative(40));
+    println!("{}", fib_recursive(40));
+}
+
+fn sum_of_squares(input: &[i32]) -> i32 {
+    input.par_iter() // <-- just change that!
+         .map(|&i| i * i)
+         .sum()
+}
+
+fn fib_iterative(n: u128) -> u128 {
+    let mut a = 0;
+    let mut b = 1;
+    for _ in 0..n {
+        let c = a + b;
+        a = b;
+        b = c;
+    }
+    a
+}
+
+fn fib_recursive(n: u128) -> u128 {
+    if n < 2 {
+        return n;
+    }
+
+    fib_recursive(n - 1) + fib_recursive(n - 2)
+}

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@@ -0,0 +1,444 @@
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__concurrent/waitgroup-demo/Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "waitgroup-demo"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+tokio = { version = "1.37.0", features = ["full"] }
+waitgroup = "0.1.2"

__concurrent/waitgroup-demo/src/main.rs

@@ -0,0 +1,26 @@
+use std::time::Duration;
+
+use tokio::task::yield_now;
+use tokio::time;
+use tokio::time::Instant;
+use waitgroup::WaitGroup;
+
+#[tokio::main]
+async fn main() {
+    let wg = WaitGroup::new();
+    for i in 80..100 {
+        let w = wg.worker();
+        tokio::spawn(async move {
+            println!("Start work #{}", i);
+            time::sleep(Duration::from_millis(i * 100)).await;
+            println!("Finish work #{}", i);
+            drop(w);
+        });
+        yield_now().await;
+    }
+
+    let instant = Instant::now();
+    println!("Start waiting...");
+    wg.wait().await;
+    println!("Finish wait, elapsed: {}ms", instant.elapsed().as_millis());
+}

__cpu/x86/Cargo.lock

@@ -0,0 +1,72 @@
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__cpu/x86/Cargo.toml

@@ -0,0 +1,11 @@
+[package]
+name = "x86"
+version = "0.1.0"
+authors = ["Hatter Jiang <jht5945@gmail.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+x86 = "0.34"
+

__cpu/x86/README.md

@@ -0,0 +1,4 @@
+crate:
+https://github.com/gz/rust-x86
+
+

__cpu/x86/rust-toolchain

@@ -0,0 +1 @@
+nightly

__cpu/x86/src/main.rs

@@ -0,0 +1,20 @@
+use x86::cpuid::CpuId;
+
+fn main() {
+    let cpu_id = CpuId::new();
+    println!("Vendor: {:?}", cpu_id.get_vendor_info().map(|v| v.as_string().to_owned()));
+    println!("Feature: {:?}", cpu_id.get_feature_info());
+    println!("Cache: {:?}", cpu_id.get_cache_info());
+    cpu_id.get_cache_info().map(|c| {
+        for i in c {
+            println!("- {}", i.desc());
+        }
+    });
+    println!("Processor: {:?}", cpu_id.get_processor_serial());
+    println!("Cache parameters: {:?}", cpu_id.get_cache_parameters());
+    println!("Performace monitoring: {:?}", cpu_id.get_performance_monitoring_info());
+    println!("Performace monitoring, number of counters: {:?}", cpu_id.get_performance_monitoring_info().unwrap().number_of_counters());
+    println!("SGX: {:?}", cpu_id.get_sgx_info());
+    println!("SoC vendor: {:?}", cpu_id.get_soc_vendor_info());
+    println!("Extended function: {:?}", cpu_id.get_extended_function_info());
+}

__crypto/README.md

@@ -0,0 +1,4 @@
+Cryptography:
+https://cryptography.rs/
+
+

__crypto/aegis-test/Cargo.lock

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+ "proc-macro2",
+ "quote",
+ "syn",
+]

__crypto/aegis-test/Cargo.toml

@@ -0,0 +1,14 @@
+[package]
+name = "aegis-test"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+aegis = "0.4.4"
+aes-gcm = "0.10.2"
+ascon-aead = "0.4.2"
+benchmark-simple = "0.1.8"
+chacha20poly1305 = "0.10.1"
+rocca = "0.3.0"

__crypto/aegis-test/README.md

@@ -0,0 +1,62 @@
+Benchmark:
+
+```shell
+$ cargo r --release
+aegis128l         : 10.63 G/s
+aes256-gcm        : 546.31 M/s
+aes128-gcm        : 597.56 M/s
+chacha20-poly1305 : 1.03 G/s
+ascon128a         : 330.85 M/s
+rocca             : 307.84 M/s
+```
+
+```shell
+$ RUSTFLAGS="-C target-cpu=native" cargo r --release
+aegis128l         : 10.66 G/s
+aes256-gcm        : 701.21 M/s
+aes128-gcm        : 794.85 M/s
+chacha20-poly1305 : 1.18 G/s
+ascon128a         : 347.18 M/s
+rocca             : 4.35 G/s
+```
+
+```shell
+$ RUSTFLAGS="-Ctarget-feature=+aes,+sse4.1" cargo r --release
+aegis128l         : 10.68 G/s
+aes256-gcm        : 554.68 M/s
+aes128-gcm        : 608.58 M/s
+chacha20-poly1305 : 1.04 G/s
+ascon128a         : 337.74 M/s
+rocca             : 2.75 G/s
+```
+
+```shell
+$ RUSTFLAGS="-Ctarget-feature=+aes,+sse4.2" cargo r --release
+aegis128l         : 10.74 G/s
+aes256-gcm        : 706.54 M/s
+aes128-gcm        : 797.11 M/s
+chacha20-poly1305 : 1.04 G/s
+ascon128a         : 338.19 M/s
+rocca             : 6.05 G/s
+```
+
+```shell
+$ RUSTFLAGS="-C target-cpu=native -Ctarget-feature=+aes,+pclmulqdq,+sse4.1" cargo r --release
+aegis128l         : 10.62 G/s
+aes256-gcm        : 695.29 M/s
+aes128-gcm        : 778.97 M/s
+chacha20-poly1305 : 1.17 G/s
+ascon128a         : 345.49 M/s
+rocca             : 4.28 G/s
+```
+
+
+```shell
+$ RUSTFLAGS="-C target-cpu=native -Ctarget-feature=+aes,+pclmulqdq,+sse4.2" cargo r --release
+aegis128l         : 10.60 G/s
+aes256-gcm        : 692.76 M/s
+aes128-gcm        : 760.85 M/s
+chacha20-poly1305 : 1.18 G/s
+ascon128a         : 344.81 M/s
+rocca             : 4.28 G/s
+```

__crypto/aegis-test/src/main.rs

@@ -0,0 +1,84 @@
+use aegis::aegis128l::Aegis128L;
+use aes_gcm::{
+    aead::{AeadInPlace as _, KeyInit as _},
+    Aes128Gcm, Aes256Gcm,
+};
+use benchmark_simple::*;
+use chacha20poly1305::ChaCha20Poly1305;
+use rocca::Rocca;
+
+fn test_aes256gcm(m: &mut [u8]) {
+    let key = aes_gcm::Key::<Aes256Gcm>::from_slice(&[0u8; 32]);
+    let nonce = aes_gcm::Nonce::from_slice(&[0u8; 12]);
+    let state = Aes256Gcm::new(key);
+    state.encrypt_in_place_detached(nonce, &[], m).unwrap();
+}
+
+fn test_aes128gcm(m: &mut [u8]) {
+    let key = aes_gcm::Key::<Aes128Gcm>::from_slice(&[0u8; 16]);
+    let nonce = aes_gcm::Nonce::from_slice(&[0u8; 12]);
+    let state = Aes128Gcm::new(key);
+    state.encrypt_in_place_detached(nonce, &[], m).unwrap();
+}
+
+fn test_chacha20poly1305(m: &mut [u8]) {
+    let key = chacha20poly1305::Key::from_slice(&[0u8; 32]);
+    let nonce = chacha20poly1305::Nonce::from_slice(&[0u8; 12]);
+    let state = ChaCha20Poly1305::new(key);
+    state.encrypt_in_place_detached(nonce, &[], m).unwrap();
+}
+
+fn test_ascon128a(m: &mut [u8]) {
+    let key = [0u8; 16];
+    let nonce = [0u8; 16];
+    let state = ascon_aead::Ascon128a::new(key.as_slice().into());
+    state
+        .encrypt_in_place_detached(nonce.as_slice().into(), &[], m)
+        .unwrap();
+}
+
+fn test_aegis128l(m: &mut [u8]) {
+    let key = [0u8; 16];
+    let nonce = [0u8; 16];
+    let state = Aegis128L::<16>::new(&nonce, &key);
+    state.encrypt_in_place(m, &[]);
+}
+
+fn test_rocca(m: &mut [u8]) {
+    let key = [0u8; 32];
+    let nonce = [0u8; 16];
+    let state = Rocca::new(&nonce, &key);
+    state.encrypt_in_place(m, &[]);
+}
+
+fn main() {
+    let bench = Bench::new();
+    let mut m = vec![0xd0u8; 16384];
+
+    let options = &Options {
+        iterations: 10_000, // 100_000 -> 10_000 -> 1_000
+        warmup_iterations: 1_000,
+        min_samples: 5,
+        max_samples: 10,
+        max_rsd: 1.0,
+        ..Default::default()
+    };
+
+    let res = bench.run(options, || test_aegis128l(&mut m));
+    println!("aegis128l         : {}", res.throughput(m.len() as _));
+
+    let res = bench.run(options, || test_aes256gcm(&mut m));
+    println!("aes256-gcm        : {}", res.throughput(m.len() as _));
+
+    let res = bench.run(options, || test_aes128gcm(&mut m));
+    println!("aes128-gcm        : {}", res.throughput(m.len() as _));
+
+    let res = bench.run(options, || test_chacha20poly1305(&mut m));
+    println!("chacha20-poly1305 : {}", res.throughput(m.len() as _));
+
+    let res = bench.run(options, || test_ascon128a(&mut m));
+    println!("ascon128a         : {}", res.throughput(m.len() as _));
+
+    let res = bench.run(options, || test_rocca(&mut m));
+    println!("rocca             : {}", res.throughput(m.len() as _));
+}

__crypto/aes_ctr_test/Cargo.lock

@@ -0,0 +1,100 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "aes"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b169f7a6d4742236a0a00c541b845991d0ac43e546831af1249753ab4c3aa3a0"
+dependencies = [
+ "cfg-if",
+ "cipher",
+ "cpufeatures",
+]
+
+[[package]]
+name = "aes_ctr_test"
+version = "0.1.0"
+dependencies = [
+ "aes",
+ "hex",
+]
+
+[[package]]
+name = "cfg-if"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+
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+checksum = "773f3b9af64447d2ce9850330c473515014aa235e6a783b02db81ff39e4a3dad"
+dependencies = [
+ "crypto-common",
+ "inout",
+]
+
+[[package]]
+name = "cpufeatures"
+version = "0.2.13"
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+checksum = "51e852e6dc9a5bed1fae92dd2375037bf2b768725bf3be87811edee3249d09ad"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "crypto-common"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
+dependencies = [
+ "generic-array",
+ "typenum",
+]
+
+[[package]]
+name = "generic-array"
+version = "0.14.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85649ca51fd72272d7821adaf274ad91c288277713d9c18820d8499a7ff69e9a"
+dependencies = [
+ "typenum",
+ "version_check",
+]
+
+[[package]]
+name = "hex"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
+
+[[package]]
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+checksum = "a0c10553d664a4d0bcff9f4215d0aac67a639cc68ef660840afe309b807bc9f5"
+dependencies = [
+ "generic-array",
+]
+
+[[package]]
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+
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+name = "typenum"
+version = "1.17.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "42ff0bf0c66b8238c6f3b578df37d0b7848e55df8577b3f74f92a69acceeb825"
+
+[[package]]
+name = "version_check"
+version = "0.9.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"

__crypto/aes_ctr_test/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "aes_ctr_test"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+aes = "0.8.4"
+hex = "0.4.3"

__crypto/aes_ctr_test/README.md

@@ -0,0 +1,42 @@
+
+Test Java codes:
+```java
+public class AesCtrTest {
+
+    public static void main(String[] args) throws Exception {
+        final byte[] key = new byte[]{
+                1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
+        };
+        final byte[] iv = new byte[]{
+                1, 2, 3, 4, 5, 6, 7, 8, 0, 0, 0, 0, 0, 0, 0, 0
+        };
+        final SecretKeySpec keySpec = new SecretKeySpec(key, "AES");
+
+        final Cipher cipher = Cipher.getInstance("AES/CTR/NoPadding");
+        cipher.init(Cipher.ENCRYPT_MODE, keySpec, new IvParameterSpec(iv));
+        System.out.println(Bytes.from(cipher.doFinal("hello world".getBytes())).asHex());
+        System.out.println(Bytes.from(cipher.doFinal(
+                "hello world.hello world.hello world.hello world.hello world.hello world.".getBytes())).asHex());
+    }
+}
+
+```
+
+Outputs:
+```
+84ad8d80732490c061177a
+84ad8d80732490c061177a58bd26d032d6fcff2e66f9afe3cf95717485d3a4485d4a2a7bd835df3d0756b8192e3bf5a287ad8dd81942c43bc812c82d666ebbb34df4e2a5069467d9
+```
+
+<br>
+
+Java `nonce` counter:
+
+`com.sun.crypto.provider.CounterMode`
+
+```java
+private static void increment(byte[] nonce) {
+    for(int index = nonce.length - 1; index >= 0 && ++nonce[index] == 0; --index) {
+    }
+}
+```

__crypto/aes_ctr_test/src/main.rs

@@ -0,0 +1,109 @@
+use aes::cipher::generic_array::GenericArray;
+use aes::cipher::{Block, BlockEncryptMut, KeyInit};
+use aes::Aes128;
+
+fn main() {
+    let key = [0_u8; 16];
+    let iv = [0_u8; 16];
+
+    let plaintext = b"hello world";
+    let ciphertext = encrypt_ctr(&key, &iv, plaintext);
+    assert_eq!("0e8c27b880aa5b54fa209e", hex::encode(&ciphertext));
+
+    let plaintext = b"hello world.hello world.hello world.hello world.hello world.hello world.";
+    let ciphertext = encrypt_ctr(&key, &iv, plaintext);
+    assert_eq!("0e8c27b880aa5b54fa209e77a251474237c28ba18812544f5e1a713bcbc7323571e4bee008d3cf\
+fe9c08b5d603de9a569ff0c6c7266b2e4c8591edd1fceead8c4f22664e3c1ff0f4", hex::encode(&ciphertext));
+
+    let key = [1_u8; 16];
+    let mut iv = [0_u8; 16];
+    for i in 0..8 {
+        iv[i] = i as u8 + 1;
+    }
+    let plaintext = b"hello world.hello world.hello world.hello world.hello world.hello world.";
+    let ciphertext = encrypt_ctr(&key, &iv, plaintext);
+    assert_eq!("84ad8d80732490c061177a58bd26d032d6fcff2e66f9afe3cf95717485d3a4485d4a2a7bd835df\
+3d0756b8192e3bf5a287ad8dd81942c43bc812c82d666ebbb34df4e2a5069467d9", hex::encode(&ciphertext));
+
+    let key = [1_u8; 16];
+    let iv = [1, 2, 3, 4, 5, 6, 7, 0, 1, 1, 2, 2, 3, 3, 4, 4];
+    let plaintext = b"hello world.hello world.hello world.hello world.hello world.hello world.";
+    let ciphertext = encrypt_ctr(&key, &iv, plaintext);
+    assert_eq!("d373d6b3491c7b8940996f9efefc98d0f564d066a557cf0aa29935a638f99d077a85338e574ee6\
+7f69da41b8a87569c324b4d421f1350e11d6be30721605b9dd6401bc3780da3452", hex::encode(&ciphertext));
+
+    let key = [1_u8; 16];
+    let iv = [1, 2, 3, 4, 5, 6, 7, 0, 1, 1, 2, 2, 3, 3, 4, 4];
+    let plaintext = b"hello world.hello world.hello world.hello world.hello world.h\
+ello world.hello world.hello world.hello world.hello world.hello world.hello world.hello w\
+orld.hello world.hello world.hello world.hello world.hello world.hello world.hello world.h\
+ello world.hello world.hello world.hello world.hello world.hello world.hello world.hello w\
+orld.hello world.hello world.hello world.hello world.hello world.hello world.hello world.h\
+ello world.hello world.hello world.hello world.hello world.hello world.hello world.hello w\
+orld.hello world.hello world.hello world.hello world.hello world.hello world.hello world.h\
+ello world.hello world.hello world.hello world.hello world.hello world.hello world.hello w\
+orld.hello world.hello world.hello world.hello world.hello world.hello world.hello world.h\
+ello world.hello world.hello world.hello world.hello world.hello world.hello world.hello w\
+orld.hello world.hello world.hello world.hello world.hello world.hello world.hello world.h\
+ello world.hello world.hello world.hello world.";
+    let ciphertext = encrypt_ctr(&key, &iv, plaintext);
+    assert_eq!("d373d6b3491c7b8940996f9efefc98d0f564d066a557cf0aa29935a638f99d077a85338e574ee6\
+7f69da41b8a87569c324b4d421f1350e11d6be30721605b9dd6401bc3780da3452033164403472b0ea84a7894b\
+500100959ccc2cfbe2b6792691f1a1b047755c1961a730c7bcd941ab50b4ece7501d624d5af457875370dbc7e6\
+0e73fd6ab10b5033fb3b3e2caed7489cc02bf174a3e7f04bd1e5c81c811314689b2bb7f6f0f0333d9b3bf637ff\
+7ac34b32bc4905638204dbd97d4cefd1a823b5d49364c72d987807991eb703e47d56631f9f1a62c9f691bd3641\
+509884144fc6e1b63e8177c8e1247ccc0769cb59cd973869f2ac3dd6cb90534ee42f69995e4af48de870936d21\
+cf1b4ccd52e4bd0eafaff46dd6f34c91072ffd61f73050580b790deba9dc30d9557c4142a0dfa52b70e050a563\
+abd69e87150da9325751a58bb3e162ea3a69347684e50710ea2bd25f6c285903d7b200a56a7eb042639410da17\
+471c93e2b26b13091cc22ec81c3912a7121a1337a560d9733d904b6c6752993b2943861d3b770693281d3519fb\
+69158df2353913aebe1e6c16787b8d2ff363c1c31bb8b491cec0214bd3ef61357569c8ecf9487087e22eca48b2\
+d1c2c718ad7d3984eb7d0ca27b96653d90847ed138b581f8a01c0bea33c435e7f124f4009de059c46c006431fa\
+5cf41ad9f16e6457389f928216ebd4efd048840a4dbc80da170c666a5293209866e9371f47005a12d6dc76f7fd\
+57fc5b265cc38f4aef6e5496836d1c4c6d96b2c807997b3f61fd45f0acf505f3512ea04a0ad89cc35b344bdc3f\
+2126b24bee40406ff00a733555316b8ccb57d661326d6b2d48a7a7fe33fbec23d69890b9368f6321d60b231cf2\
+5680bcf7e8f43e443c19150b72394b5a9617fb8cc9666d43968fecdb56c22db6421ffbe3351fe479d9e7841288\
+15fbeb7f1b5f9dc1f8b3d772741f7ef9884b5ca81d972d8537ea4c12cbf29c7e362ccd14ed83781db312da5d83\
+8e11b20b050b6be472d8133f8f6525649dc9b967d40f430feb4cb3408a623a12658959f8cd8a115d8f63dd6e8b\
+b8449937620b1cf783a0761fcbd4f48dcb572c1463a7c756bf9dd77d45f92cfe9a04dfb4d007a448d9b1a8c936\
+9bcd35db598e7cdec566d075ff4c8d445e94ef49c0d0a78bb45921bf4c6e6b750a4d0f3310fc9a767a368ced10\
+293987bf88026c69dcd805aea561d9b207c2710e6e90658ec5e0f8560449889ba8af852ea36b272aebb73ef59e\
+74d1c0fe963ecbf1049743263681f5733cdf3b0b89b52667f63f65e4e7327ca45a2c1bd385f7c5fbf74b82e4f8\
+0425c237813f2d39c4d7a06b49eec49b26dd234323747cf41eb4c2a7647b8548dcd72d59a4f0da2b1120759cfc\
+dae5df80c55a9015fc48f985bda3d416f7301d72a4348953", hex::encode(&ciphertext));
+}
+
+fn encrypt_ctr(key: &[u8; 16], iv: &[u8; 16], plaintext: &[u8]) -> Vec<u8> {
+    let mut aes128 = Aes128::new_from_slice(key).unwrap();
+    let plaintext_len = plaintext.len();
+    let blocks_count = (plaintext_len / 16) + if plaintext_len % 16 == 0 { 0 } else { 1 };
+    let iv_u128 = u128::from_be_bytes(iv.clone());
+
+    let mut cipher_text = vec![0_u8; plaintext_len];
+    for i in 0..blocks_count {
+        let enc_iv_u128 = iv_u128 + i as u128;
+        let mut block: Block<Aes128> = GenericArray::from(enc_iv_u128.to_be_bytes()).clone();
+        aes128.encrypt_block_mut(&mut block);
+
+        let block_slice = block.as_slice();
+        for j in 0..block_slice.len() {
+            let oi = i * 16 + j;
+            if oi < plaintext_len {
+                cipher_text[oi] = block_slice[j] ^ plaintext[oi];
+            }
+        }
+    }
+    cipher_text
+}
+
+#[test]
+fn test_aes() {
+    let mut aes128 = Aes128::new_from_slice(
+        &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
+    ).unwrap();
+
+    let mut a: Block<Aes128> = GenericArray::from_slice(&[0_u8; 16]).clone();
+    aes128.encrypt_block_mut(&mut a);
+    println!("{}", hex::encode(a.as_slice()));
+
+    assert_eq!("66e94bd4ef8a2c3b884cfa59ca342b2e", hex::encode(a.as_slice()));
+}

__crypto/aes_gcm_crypto/Cargo.lock

@@ -0,0 +1,107 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "aes"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "433cfd6710c9986c576a25ca913c39d66a6474107b406f34f91d4a8923395241"
+dependencies = [
+ "cfg-if",
+ "cipher",
+ "cpufeatures",
+]
+
+[[package]]
+name = "aes_gcm_crypto"
+version = "0.1.0"
+dependencies = [
+ "aes",
+ "hex",
+ "hex-literal",
+]
+
+[[package]]
+name = "cfg-if"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+
+[[package]]
+name = "cipher"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d1873270f8f7942c191139cb8a40fd228da6c3fd2fc376d7e92d47aa14aeb59e"
+dependencies = [
+ "crypto-common",
+ "inout",
+]
+
+[[package]]
+name = "cpufeatures"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "28d997bd5e24a5928dd43e46dc529867e207907fe0b239c3477d924f7f2ca320"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "crypto-common"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
+dependencies = [
+ "generic-array",
+ "typenum",
+]
+
+[[package]]
+name = "generic-array"
+version = "0.14.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bff49e947297f3312447abdca79f45f4738097cc82b06e72054d2223f601f1b9"
+dependencies = [
+ "typenum",
+ "version_check",
+]
+
+[[package]]
+name = "hex"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
+
+[[package]]
+name = "hex-literal"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ebdb29d2ea9ed0083cd8cece49bbd968021bd99b0849edb4a9a7ee0fdf6a4e0"
+
+[[package]]
+name = "inout"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a0c10553d664a4d0bcff9f4215d0aac67a639cc68ef660840afe309b807bc9f5"
+dependencies = [
+ "generic-array",
+]
+
+[[package]]
+name = "libc"
+version = "0.2.139"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "201de327520df007757c1f0adce6e827fe8562fbc28bfd9c15571c66ca1f5f79"
+
+[[package]]
+name = "typenum"
+version = "1.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "497961ef93d974e23eb6f433eb5fe1b7930b659f06d12dec6fc44a8f554c0bba"
+
+[[package]]
+name = "version_check"
+version = "0.9.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"

__crypto/aes_gcm_crypto/Cargo.toml

@@ -0,0 +1,11 @@
+[package]
+name = "aes_gcm_crypto"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+aes = "0.8.2"
+hex = "0.4.3"
+hex-literal = "0.3.4"

__crypto/aes_gcm_crypto/src/main.rs

@@ -0,0 +1,162 @@
+use aes::Aes256;
+use aes::cipher::{BlockEncrypt, Key, KeyInit};
+use aes::cipher::generic_array::GenericArray;
+use hex_literal::hex;
+
+pub struct GCM {
+    aes: Aes256,
+}
+
+// R = 11100001 || 0(120)
+const R: u128 = 0b11100001 << 120;
+
+fn gmul_128(x: u128, y: u128) -> u128 {
+    let mut z = 0u128;
+    let mut v = y;
+    for i in (0..128).rev() {
+        let xi = (x >> i) & 1;
+        if xi != 0 {
+            z ^= v;
+        }
+        v = match v & 1 == 0 {
+            true => { v >> 1 }
+            false => { (v >> 1) ^ R }
+        };
+    }
+    z
+}
+
+fn u8to128(bytes: &[u8]) -> u128 {
+    let result = bytes.iter().rev().enumerate().fold(0, |acc, (i, &byte)| {
+        acc | (byte as u128) << (i * 8)
+    });
+    result
+}
+
+fn msb_s(s: usize, bytes: &[u8]) -> Vec<u8> {
+    let mut result = vec![];
+    let n = s / 8;
+    let remain = s % 8;
+    for i in 0..n {
+        result.push(bytes[i]);
+    }
+    if remain > 0 {
+        result.push(bytes[n] >> (8 - remain));
+    }
+    result
+}
+
+// incs(X)=MSBlen(X)-s(X) || [int(LSBs(X))+1 mod 2^s]s
+fn inc_32(bits: u128) -> u128 {
+    let msb = bits >> 32;
+    let mut lsb = (bits & 0xffffffff) as u32;
+    lsb = lsb.wrapping_add(1);
+    msb << 32 | lsb as u128
+}
+
+fn ghash(key: u128, messages: &[u128]) -> u128 {
+    let mut y = 0u128;
+    for i in 0..messages.len() {
+        let yi = gmul_128(y ^ messages[i], key);
+        y = yi;
+    }
+    y
+}
+
+impl GCM {
+    pub fn new(key: [u8; 32]) -> Self {
+        let key = Key::<Aes256>::from_slice(&key);
+        let aes = Aes256::new(&key);
+        Self {
+            aes,
+        }
+    }
+
+    fn encrypt_block(&mut self, block: &[u8; 16]) -> Vec<u8> {
+        let mut block = GenericArray::from(block.clone());
+        self.aes.encrypt_block(&mut block);
+        block.to_vec()
+    }
+
+    fn ghash_key(&mut self) -> u128 {
+        u8to128(&self.encrypt_block(&[0u8; 16]))
+    }
+
+    pub fn gctr(&mut self, iv: u128, message: &[u8]) -> Vec<u8> {
+        // 如果X是空串, 则直接返回
+        if message.len() == 0 {
+            return vec![];
+        }
+        let mut output = vec![];
+        let mut cb = iv;
+        for chunk in message.chunks(16) {
+            if chunk.len() < 16 {
+                let msb = msb_s(chunk.len() * 8, &self.encrypt_block(&cb.to_be_bytes()));
+                let y = u8to128(chunk) ^ u8to128(&msb);
+                output.extend_from_slice(&y.to_be_bytes()[16 - chunk.len()..16]);
+            } else {
+                let y = u8to128(chunk) ^ u8to128(&self.encrypt_block(&cb.to_be_bytes()));
+                output.extend_from_slice(&y.to_be_bytes());
+            }
+            // counter + 1
+            cb = inc_32(cb);
+        }
+        output
+    }
+
+    pub fn ae(&mut self, iv_bytes: &[u8], adata: &[u8], message: &[u8]) -> (Vec<u8>, Vec<u8>) {
+        let ghash_key = self.ghash_key();
+        let mut iv_padding = vec![];
+        let iv = u8to128(iv_bytes);
+        let j0 = match iv_bytes.len() == 12 {
+            true => {
+                iv << 32 | 0x00000001
+            }
+            false => {
+                // s = 128[len(iv) / 128] - len(iv)
+                let s = 128 * (((iv_bytes.len() * 8) + 128 - 1) / 128) - (iv_bytes.len() * 8);
+                iv_padding.push(iv << s);
+                iv_padding.push((iv_bytes.len() * 8) as u128);
+                ghash(ghash_key, &iv_padding)
+            }
+        };
+        let message_len = message.len() * 8;
+        let adata_len = adata.len() * 8;
+        let u = 128 * ((message_len + 128 - 1) / 128) - message_len;
+        let v = 128 * ((adata_len + 128 - 1) / 128) - adata_len;
+        // println!("u, v: {}, {}", u, v);
+        // println!("j0 = {:02x?}", j0);
+        let enc = self.gctr(inc_32(j0), &message);
+        let mut bit_string = Vec::<u8>::new();
+        bit_string.extend_from_slice(adata);
+        bit_string.extend_from_slice(&vec![0x00; v / 8]);
+        // 这里认证的是密文
+        bit_string.extend_from_slice(&enc);
+        bit_string.extend_from_slice(&vec![0x00; u / 8]);
+        bit_string.extend_from_slice(&(adata_len as u64).to_be_bytes());
+        bit_string.extend_from_slice(&(message_len as u64).to_be_bytes());
+        // println!("len = {}, bit_string[u8] = {:02x?}", bit_string.len(), bit_string);
+        let bit_string: Vec<u128> = bit_string.chunks(16).map(|it| u8to128(it)).collect();
+        // println!("bit_string[u128] = {:02x?}", bit_string);
+        let s = ghash(ghash_key, &bit_string).to_be_bytes();
+        // println!("{:02x?}", s);
+        let tag = self.gctr(j0, &s);
+        // println!("tag = {:02x?}", tag);
+        // println!("enc = {:02x?}", enc);
+        (tag, enc)
+    }
+}
+
+// https://developer.aliyun.com/article/952809
+fn main() {
+    let key: [u8; 32] = hex!("0001020304050607080910111213141516171819202122232425262728293031");
+    let p: Vec<u8> = "Hello world!".as_bytes().to_vec();
+    let iv = hex!("000102030405060708091011");
+    let mut gcm = GCM::new(key);
+    // let h = gcm.ghash_key();
+    // assert_eq!(h, u8to128(&hex!("66e94bd4ef8a2c3b884cfa59ca342b2e")));
+
+    let (tag, enc) = gcm.ae(&iv, &[], &p);
+    println!("{}{}", hex::encode(&enc), hex::encode(tag));
+    println!("dce9511866417cff5123fa08c9e92cf156c5fc8bf6108ff28816fb58");
+}

__crypto/asn1-der-test/Cargo.lock

@@ -0,0 +1,185 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "asn1-der-test"
+version = "0.1.0"
+dependencies = [
+ "asn1-rs",
+ "base64",
+ "hex",
+]
+
+[[package]]
+name = "asn1-rs"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "22ad1373757efa0f70ec53939aabc7152e1591cb485208052993070ac8d2429d"
+dependencies = [
+ "asn1-rs-derive",
+ "asn1-rs-impl",
+ "displaydoc",
+ "nom",
+ "num-traits",
+ "rusticata-macros",
+ "thiserror",
+]
+
+[[package]]
+name = "asn1-rs-derive"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7378575ff571966e99a744addeff0bff98b8ada0dedf1956d59e634db95eaac1"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+ "synstructure",
+]
+
+[[package]]
+name = "asn1-rs-impl"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7b18050c2cd6fe86c3a76584ef5e0baf286d038cda203eb6223df2cc413565f7"
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+ "proc-macro2",
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__crypto/asn1-der-test/Cargo.toml

@@ -0,0 +1,11 @@
+[package]
+name = "asn1-der-test"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+asn1-rs = "0.6.1"
+base64 = "0.22.0"
+hex = "0.4.3"

__crypto/asn1-der-test/src/bin/test1.rs

@@ -0,0 +1,91 @@
+use std::str::FromStr;
+
+use asn1_rs::{
+    BitString, Class, Error, Explicit, Integer,
+    OctetString, Oid, Sequence, TaggedValue, ToDer,
+};
+use base64::{Engine, engine::GeneralPurpose};
+
+const BASE64: GeneralPurpose = base64::engine::general_purpose::STANDARD;
+
+// -----BEGIN PRIVATE KEY-----
+// MIG2AgEAMBAGByqGSM49AgEGBSuBBAAiBIGeMIGbAgEBBDB0n4af3g3zaB67WD+/
+// Xe+FNOkwvuoDd/YUPh0y5ZfoBlkqG1WGNkZN2/d4EYqrNrahZANiAAR2vgKLjiAd
+// I6l4EAyxGKwGBJ6pAdYZvNlBi8X9kKlCj6aYi5kSKqUfAMaQAX9+0WPoQ6Cy/gzi
+// bPPmlPRMa4SdTKgZvvw5nuyNXZQU/wN69Opz/hCqxZHKYx5zSznj4/g=
+// -----END PRIVATE KEY-----
+//   0 182: SEQUENCE {
+//   3   1:   INTEGER 0
+//   6  16:   SEQUENCE {
+//   8   7:     OBJECT IDENTIFIER ecPublicKey (1 2 840 10045 2 1)
+//  17   5:     OBJECT IDENTIFIER secp384r1 (1 3 132 0 34)
+//        :     }
+//  24 158:   OCTET STRING, encapsulates {
+//  27 155:     SEQUENCE {
+//  30   1:       INTEGER 1
+//  33  48:       OCTET STRING
+//        :         74 9F 86 9F DE 0D F3 68 1E BB 58 3F BF 5D EF 85
+//        :         34 E9 30 BE EA 03 77 F6 14 3E 1D 32 E5 97 E8 06
+//        :         59 2A 1B 55 86 36 46 4D DB F7 78 11 8A AB 36 B6
+//  83 100:       [1] {
+//  85  98:         BIT STRING
+//        :           04 76 BE 02 8B 8E 20 1D 23 A9 78 10 0C B1 18 AC
+//        :           06 04 9E A9 01 D6 19 BC D9 41 8B C5 FD 90 A9 42
+//        :           8F A6 98 8B 99 12 2A A5 1F 00 C6 90 01 7F 7E D1
+//        :           63 E8 43 A0 B2 FE 0C E2 6C F3 E6 94 F4 4C 6B 84
+//        :           9D 4C A8 19 BE FC 39 9E EC 8D 5D 94 14 FF 03 7A
+//        :           F4 EA 73 FE 10 AA C5 91 CA 63 1E 73 4B 39 E3 E3
+//        :           F8
+//        :         }
+//        :       }
+//        :     }
+//        :   }
+
+const PRIVATE_KEY: &str = "749F869FDE0DF3681EBB583FBF5DEF8534E930BEEA0377F6143E1D32E597E806592A1B558636464DDBF778118AAB36B6";
+const PUBLIC_KEY: &str = "0476BE028B8E201D23A978100CB118AC06049EA901D619BCD9418BC5FD90A9428FA6988B99122AA51F00C690017F7ED16\
+3E843A0B2FE0CE26CF3E694F44C6B849D4CA819BEFC399EEC8D5D9414FF037AF4EA73FE10AAC591CA631E734B39E3E3F8";
+
+fn main() {
+    let ec_public_key = Oid::from_str("1.2.840.10045.2.1").unwrap();
+    let secp_384_r1 = Oid::from_str("1.3.132.0.34").unwrap();
+
+    let private_key_oid_seq = {
+        let mut private_key_oid = Vec::new();
+        ec_public_key.write_der(&mut private_key_oid).unwrap();
+        secp_384_r1.write_der(&mut private_key_oid).unwrap();
+        Sequence::new(private_key_oid.into())
+    };
+
+    let private_body_seq = {
+        let private_key = hex::decode(PRIVATE_KEY).unwrap();
+        let public_key = hex::decode(PUBLIC_KEY).unwrap();
+
+        let integer_1 = Integer::from_i8(1);
+        let private_key_oct = OctetString::new(&private_key);
+
+        let mut private_body = Vec::new();
+        integer_1.write_der(&mut private_body).unwrap();
+        private_key_oct.write_der(&mut private_body).unwrap();
+
+        type TaggedValueContextSpecific<'a> = TaggedValue<BitString<'a>, Error, Explicit, { Class::CONTEXT_SPECIFIC }, 1>;
+        let public_key_bit = BitString::new(0, &public_key);
+        let public_key_tag = TaggedValueContextSpecific::explicit(public_key_bit);
+        public_key_tag.write_der(&mut private_body).unwrap();
+
+        Sequence::new(private_body.into())
+    };
+    let private_body = private_body_seq.to_der_vec().unwrap();
+    let private_body_oct = OctetString::new(&private_body);
+
+    let private_key_info_seq = {
+        let mut private_key_info = Vec::new();
+        let integer_0 = Integer::from_i8(0);
+        integer_0.write_der(&mut private_key_info).unwrap();
+        private_key_oid_seq.write_der(&mut private_key_info).unwrap();
+        private_body_oct.write_der(&mut private_key_info).unwrap();
+        Sequence::new(private_key_info.into())
+    };
+
+    println!("BASED64:\n{}", BASE64.encode(private_key_info_seq.to_der_vec().unwrap()));
+    println!("HEX:\n{}", hex::encode(private_key_info_seq.to_der_vec().unwrap()));
+}

__crypto/asn1-der-test/src/bin/test2.rs

@@ -0,0 +1,52 @@
+use asn1_rs::{BitString, Class, Error, Explicit, Integer, OctetString, Oid, ParseResult, Sequence, TaggedValue};
+use asn1_rs::FromDer;
+use base64::Engine;
+use base64::engine::GeneralPurpose;
+
+const BASE64: GeneralPurpose = base64::engine::general_purpose::STANDARD;
+
+fn main() {
+    let private_key = "MIGHAgEAMBMGByqGSM49AgEGCCqGSM49AwEHBG0wawIBAQQgakRmuDPA8pr1kqmY\
+    PxjoMJSJzMeWllw0qbKWzrbEfzehRANCAAQs2XCluo7NF7Y0tL6Pp2GWz2fw5llF\
+    dRvIpq0j8kVQjNOIYZqlBG6OOMQql3U95HsJJY0YzkoXEcdcJmoIV0zn";
+
+    let private_key_der = BASE64.decode(private_key).unwrap();
+
+    let r: ParseResult<()> = Sequence::from_der_and_then(&private_key_der, |i| {
+        let (i, i0) = Integer::from_der(i)?;
+        println!("INTEGER0: {}", i0.as_i8().unwrap());
+        let r: ParseResult<()> = Sequence::from_der_and_then(i, |i| {
+            let (i, oid1) = Oid::from_der(i)?;
+            let (i, oid2) = Oid::from_der(i)?;
+
+            println!("OID1: {}", oid1);
+            println!("OID2: {}", oid2);
+            Ok((i, ()))
+        });
+
+        let (i, _) = r.unwrap();
+
+        let (i, octet) = OctetString::from_der(i).unwrap();
+        let octet = octet.as_ref();
+
+        let r: ParseResult<()> = Sequence::from_der_and_then(octet, |i| {
+            let (i, i1) = Integer::from_der(i).unwrap();
+            println!("INTEGER1: {}", i1.as_i8().unwrap());
+            let (i, oct) = OctetString::from_der(i)?;
+            println!("PRIVATE KEY: {}", hex::encode(oct.as_ref()));
+
+            type TaggedValueContextSpecific<'a> = TaggedValue<BitString<'a>, Error, Explicit, { Class::CONTEXT_SPECIFIC }, 1>;
+            let tagged_value = TaggedValueContextSpecific::from_der(i);
+            let _ = tagged_value.map(|(_i, tagged_value)| {
+                println!("Tagged value [{}]", tagged_value.tag().0);
+                let tagged_value_inner = tagged_value.into_inner();
+                println!("Tagged value: {}, unused: {}", hex::encode(tagged_value_inner.as_ref()), tagged_value_inner.unused_bits);
+            });
+
+            Ok((i, ()))
+        });
+        r.unwrap();
+        Ok((i, ()))
+    });
+    r.unwrap();
+}

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@@ -0,0 +1,284 @@
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__crypto/bc1-btc-address/Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "bc1-btc-address"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+bitcoin = "0.32.6"
+hex = "0.4.3"
+rand = "0.9.1"

__crypto/bc1-btc-address/src/main.rs

@@ -0,0 +1,29 @@
+use bitcoin::key::Secp256k1;
+use bitcoin::{Address, CompressedPublicKey, Network, PrivateKey};
+use rand::RngCore;
+
+// generate btc address:
+// https://coinb.in/#newSegWit
+fn main() {
+    let secp = Secp256k1::new();
+    let mut sk_bytes = [0u8; 32];
+    rand::rng().fill_bytes(&mut sk_bytes);
+    let secret_key = PrivateKey::from_slice(&sk_bytes, Network::Bitcoin).unwrap();
+
+    // let secret_key = PrivateKey::from_wif("L2HajtedHgDT16o3Er8L8tyRrPNbXkeBK69vhGi7K9eK4Yg3dJuj").unwrap();
+
+    let public_key = secret_key.public_key(&secp);
+    let compress_public_key = CompressedPublicKey::try_from(public_key).unwrap();
+
+    // 构造 P2WPKH 地址 (bc1 开头)
+    let address = Address::p2wpkh(&compress_public_key, Network::Bitcoin);
+    let address = address.to_string();
+
+    println!("Private Key (WIF): {}", secret_key.to_wif());
+    println!("Public Key: {}", public_key);
+    println!(
+        "Public Key: {}",
+        hex::encode(&public_key.inner.serialize_uncompressed())
+    );
+    println!("SegWit Address (bc1): {}", address);
+}

__crypto/btc-address/Cargo.lock

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__crypto/btc-address/Cargo.toml

@@ -0,0 +1,20 @@
+[package]
+name = "btc-address"
+version = "0.1.0"
+authors = ["Hatter Jiang <jht5945@gmail.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+hex = "0.4"
+bs58 = "0.3.0"
+secp256k1 = { version = "0.17.2", features = ["rand"] }
+rand =  "0.6"
+# elliptic-curve = "0.3.0"
+# k256 = "0.1.0"
+digest = "0.8.1"
+ripemd160 = "0.8.0"
+sha2 = "0.8.1"
+num_cpus = "1.13.0"
+

__crypto/btc-address/src/main.rs

@@ -0,0 +1,116 @@
+use std::{sync::{Arc, Mutex}, thread};
+
+use digest::{FixedOutput, Input};
+use rand::rngs::OsRng;
+use ripemd160::Ripemd160;
+use secp256k1::{key::PublicKey, Secp256k1};
+use sha2::Sha256;
+
+fn main() {
+    let args = std::env::args();
+    if args.len() <= 1 {
+        println!("[ERROR] Need at least one argument, e.g. 1Hatter 1UTF8 ...");
+        return;
+    }
+    let continue_on_found = std::env::var("CONTINUE_ON_FOUND")
+        .map(|c| c.to_lowercase())
+        .map(|c| c == "1" || c == "true" || c == "yes" || c == "on")
+        .unwrap_or_else(|_| false);
+
+    let prefixes: Vec<String> = args.skip(1).collect();
+    println!("Prefixes: {:?}", prefixes);
+    if continue_on_found {
+        println!("CONTINUE_ON_FOUND is ON");
+    } else {
+        println!("CONTINUE_ON_FOUND is OFF");
+    }
+    let loop_count = std::env::var("LOOP_COUNT")
+        .map(|c| c.parse::<u64>())
+        .unwrap_or_else(|_| Ok(10_000_000_u64))
+        .unwrap_or_else(|_| 10_000_000_u64);
+    println!("LOOP_COUNT={}", loop_count);
+
+
+    let num_of_vcpus = num_cpus::get();
+    let num_of_phycpus = num_cpus::get_physical();
+    println!("You have {} vCPUs, from {} phyCPUs", num_of_vcpus, num_of_phycpus);
+    let concurrent_count = std::env::var("CONCURRENT_COUNT")
+        .map(|c| c.parse::<u64>())
+        .unwrap_or_else(|_| Ok(num_of_phycpus as u64))
+        .unwrap_or_else(|_| 1_u64);
+    println!("CONCURRENT_COUNT={}", concurrent_count);
+
+    let stop_flag = Arc::new(Mutex::new(false));
+    let mut handles = vec![];
+    for ind in 0..concurrent_count {
+        println!("- Running task {} of {}", ind, concurrent_count);
+        let the_stop_flag = Arc::clone(&stop_flag);
+        let prefixes = prefixes.clone();
+        let child = thread::spawn(move || {
+            run_one_task(prefixes, continue_on_found, loop_count, ind, the_stop_flag);
+        });
+        handles.push(child);
+    }
+    while let Some(h) = handles.pop() {
+        h.join().unwrap();
+    }
+    println!("Finished!");
+}
+
+fn run_one_task(prefixes: Vec<String>, continue_on_found: bool, loop_count: u64, ind: u64, the_stop_flag: Arc<Mutex<bool>>) {
+    let secp = Secp256k1::new();
+    let mut rng = OsRng::new().expect("OsRng");
+
+    for i in 0..loop_count {
+        let (secret_key, public_key) = secp.generate_keypair(&mut rng);
+
+        let s = make_btc_address(&public_key);
+
+        if i % 1_000 == 0 {
+            if *the_stop_flag.lock().unwrap() {
+                return;
+            }
+            if i > 0 && i % 100_000 == 0 {
+                println!("> {} - {}", ind, i);
+            }
+        }
+        if prefixes.iter().any(|p| s.starts_with(p)) {
+            println!(">> {}\n{}", s, secret_key);
+
+            if !continue_on_found {
+                *the_stop_flag.lock().unwrap() = true;
+                break;
+            }
+        }
+    }
+}
+
+fn make_btc_address(public_key: &PublicKey) -> String {
+    let public_key_bytes = public_key.serialize_uncompressed().to_vec();
+    let riphemd160_sha256_pub_key = calc_ripemd160(&calc_sha256(&public_key_bytes));
+
+    let mut btc_addr = Vec::<u8>::with_capacity(25);
+    btc_addr.push(0x00 as u8);
+    btc_addr.extend_from_slice(&riphemd160_sha256_pub_key);
+
+    let checksum = &calc_sha256(&calc_sha256(&btc_addr))[0..4];
+    btc_addr.extend_from_slice(checksum);
+
+    bs58::encode(&btc_addr).into_string()
+}
+
+#[inline]
+fn calc_sha256(i: &[u8]) -> Vec<u8> {
+    calc_hash(Sha256::default(), i)
+}
+
+#[inline]
+fn calc_ripemd160(i: &[u8]) -> Vec<u8> {
+    calc_hash(Ripemd160::default(), i)
+}
+
+#[inline]
+fn calc_hash<T>(mut hasher: T, i: &[u8]) -> Vec<u8> where T: Input + FixedOutput {
+    hasher.input(&i);
+    hasher.fixed_result().to_vec()
+}

__crypto/crypto/Cargo.lock

@@ -0,0 +1,215 @@
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__crypto/crypto/Cargo.toml

@@ -0,0 +1,19 @@
+[package]
+name = "crypto"
+version = "0.1.0"
+authors = ["Hatter Jiang <jht5945@gmail.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+ecdsa = "0.5.0"
+ed25519 = "1.0.1"
+digest = "0.8.1"
+elliptic-curve = "0.3.0"
+k256 = "0.2.0"
+p256 = "0.2.0"
+p384 = "0.1.0"
+p521 = "0.0.0"
+sha2 = "0.8.1"
+

__crypto/crypto/src/main.rs

@@ -0,0 +1,31 @@
+use sha2::{Sha256, Sha512, Digest};
+
+fn main() {
+    println!("{}", to_hex(&sha256(b"hello world")));
+    println!("{}", to_hex(&sha512(b"hello world")));
+}
+
+fn sha256(data: &[u8]) -> Vec<u8> {
+    let mut hasher = Sha256::new();
+    hasher.input(data);
+    let result = hasher.result();
+    result[..].to_vec()
+}
+
+fn sha512(data: &[u8]) -> Vec<u8> {
+    let mut hasher = Sha512::new();
+    hasher.input(data);
+    let result = hasher.result();
+    result[..].to_vec()
+}
+
+fn to_hex(bs: &[u8]) -> String {
+    bs.iter().map(|u| {
+        let x = format!("{:x}", u);
+        if x.len() == 1 {
+            "0".to_owned() + &x
+         } else {
+             x
+         }
+    }).collect()
+}

__crypto/crypto2-demo/Cargo.lock

@@ -0,0 +1,31 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
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+version = "1.0.0"
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+
+[[package]]
+name = "crypto2"
+version = "0.2.0"
+source = "git+https://github.com/shadowsocks/crypto2#dbfd3bb4751abd9945370dee25350765039d050a"
+dependencies = [
+ "cfg-if",
+]
+
+[[package]]
+name = "crypto2-demo"
+version = "0.1.0"
+dependencies = [
+ "crypto2",
+ "hex",
+]
+
+[[package]]
+name = "hex"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"